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(233)小数加减法专项练习200题(有答案)ok

(233)小数加减法专项练习200题(有答案)ok
(233)小数加减法专项练习200题(有答案)ok

小数加减法专项练习200题(有答案)

(1)7.4+12.86

(2)20﹣5.674

(3)141.2﹣48.98

(4)102+4.36

(5)32.15﹣27.45

(6)12.9+5.01

(7)29.46﹣(9.46+3.8)(8)15.75+0.65﹣2.75+3.35 (9)65.71﹣4.99 (10)12.42+0.48 (11)0.56+11.534 (12)44﹣22.13

(13)91﹣22.035 (14)52.6+21.237 (15)9.15﹣2.18 (16)3.85﹣1.5+1.32,(17)15.4+6.87 (18)3.56+27.84

(19)100﹣82.13=17.87 (20)123.56﹣47.9+51.7 (21)2.7+3.1+2.9+3.2,(22)28.42+19.48

(23)42.56+3.124

(24)81﹣30.75

(25)15.6十0.237

(26)148.2﹣25.62﹣24.38 (27)4.52﹣0.74﹣0.26 (29)5.9+28.65﹣16.57 (30)57.5﹣3.25﹣16.75,(31)6.02+3.6+1.98

(32)1.29+3.7+2.71+6.3 (33)3.07﹣0.38﹣1.62 (34)3.25+1.79﹣0.59+1.75 (35)7.5+4.9﹣6.1

(36)14.8+7.9﹣4.8

(37)2.608+2.84

(39)1.5﹣0.306

(40)76.8+26.82

(41)102.07﹣37.257

(42)48.64+18.6

(43)54.75﹣5.25﹣14.75,(44)4.68+14.79+5.32﹣10.79,(45)48.9﹣12.7﹣0.3,

(46)56.4﹣39.7+24.3,

(47)3.6﹣2.8+3.4﹣7.2,(49)120﹣17.83﹣2.17,(50)17.17﹣6.8﹣3.2﹣6.17 (51)73.8﹣1.64﹣13.8﹣5.36 (52)6.75﹣(0.9+3.75)(53)27.38﹣5.34+2.62﹣4.66 (54)35.72﹣4.9﹣(5.72+5.1)(55)0.73﹣0.25﹣0.73+0.25 (56)5.3+0.1+5.3﹣0.1 (57)12.7﹣4.8﹣5.2.

(59)4.58+2.39+(5.42+7.61)(60)9.05﹣3.86﹣3.14 (61)20﹣9.18﹣0.82

(62)6.53﹣(1.53+2.6)(63)5.52﹣1.074﹣0.926 (64)4.21+1.04+0.79

(65)1.36+4.85+2.64+6.15 (66)83.7﹣12.83﹣0.17 (67)4.32+5.43+6.68 (69)1+12.7+5.9+17.3

(70)270﹣42.5﹣17.5

(71)15.68﹣(7.78﹣4.32)﹣2.32,(72)0.9+9.9+99.9+999.9,

(73)25.46﹣8.23﹣1.76,

(74)9.4+0.3﹣6.4,

(75)15.25+4.72+4.75+5.28,

(76)34.823﹣(4.82+15.2),

(77)12.7﹣4.8﹣5.2,

(79)73.8﹣1.64﹣13.8﹣5.36,(80)2.15+8.73+1.27+7.85 (81)11.87﹣(8.2+1.87),(82)5.42﹣3.87﹣1.13,(83)4.38﹣1.56+0.62﹣0.44,(84)46.7﹣15.03﹣4.97 (85)4.52+0.61+1.39+6.48 (86)4.27﹣(1.96﹣1.73)(87)7.27﹣(1.98+0.27),(89)12.8﹣(4.38+1.614)(90)15.17﹣(3.6+4.9),(91)35.6+(12.6﹣4.4),(92)16.4+3.5+83.6+166.5 (93)4.65﹣2.55﹣1.45,(94)1.28+0.86+38.72,(95)25.74﹣3.57﹣6.43,(96)14.5﹣4.68﹣5.32,(97)0.485+0.64+3.36,

(99)14.02﹣4.5+0.98,

(100)5.76+2.43+0.24+10.57,(101)9.28﹣(3.28+2.55),(102)9.5+4.85﹣6.13,

(103)10.75﹣1.86﹣2.75﹣3.16,(104)1.3+0.94+0.06+7.7,(105)4.45+0.63+5.55,

(106)45.5﹣(0.98+5.5),(107)0.96﹣0.28+0.04﹣0.72,(109)0.6+0.94﹣0.208,

(110)27.73﹣(4.73﹣1.85),(111)3.84+[26.5﹣(20﹣8.6)],(112)7.38﹣5.14+3.62﹣2.86,(113)5.86+13.08﹣9.27,

(114)25.4﹣(15.4﹣6.4),(115)47.23﹣7.23﹣5.89,(116)4.45+0.63+5.55,

(117)5.28﹣(2.9+1.28),

(119)0.96﹣0.28+0.04﹣0.72,(120)9.42+7.39+1.58,(121)18.4﹣1.6﹣5.4,(122)75.7+39.4﹣23.86,(123)21.21+38.38﹣9.79,(124)47.28+1.39+52.72,(125)2.45﹣1.68+1.54,(126)15﹣8.13﹣1.87,(127)5.14+3.225﹣6.302,(129)13.67﹣(5.45+3.67),(130)4.26+5.48﹣1.26+4.52,(131)14.67+25.91+15.33+4.09,(132)10.75﹣(2.4﹣0.86),(133)9.61﹣4.38+0.35,(134)3.87+4.92+1.13,

(135)46.24﹣8.66﹣1.34,(136)21.9﹣9.22﹣0.78+8.1,(137)35.47+39.88﹣12.37,

(139)15.37+28.94+4.63+1.06,(140)42.37﹣(12.37﹣9.78),(141)38.78﹣19.59+41.22﹣30.41,(142)1.9+19.9+199.9+0.3

(143)429+31.1+2.04,

(144)100﹣27.2﹣42.8,

(145)9﹣(3.02+1.25),

(146)1.8﹣1.57+0.2,

(147)5.03﹣2.5+0.96,(149)25﹣4.7+5.3,

(150)1.3+2.83+8.7+0.17,(151)2.47﹣2.2﹣3.8+7.53,(152)6.89+4.7+2.11+5.3,(153)7.46﹣2.37﹣1.63,(154)14﹣(3.65+0.24),(155)70.8﹣1.25﹣1.75,(156)5.81+8.3+4.19+11.7,(157)4.2+7.64+5.8+2.36,

(159)6.8+5.26+3.74+3.2,(160)6.21﹣3.8+2.2,(161)6.03+3.7+2.97,(162)17.43﹣6.57﹣2.43,(163)20.47﹣(1.47+6.8),(164)13.26+4.71+3.47+5.29,(165)22.74+8.68﹣13.74,(166)12.56﹣6.64﹣3.36,(167)45.5﹣(0.98+5.5),(169)15.19+3.36+4.64+4.81,(170)4.7+7.69+5.3+2.31,(171)53.78﹣13.6﹣37.4+6.22,(172)60﹣(21.5﹣8.8)+7.3,(173)9.5+4.85﹣6.13,

(174)75.8﹣(15.3﹣4.8),(175)51.27﹣8.66﹣1.34,(176)28.4﹣3.96﹣1.04+4.6,(177)70.8﹣7.25﹣1.75

(179)794﹣198,

(180)6756﹣193﹣207,(181)0.9+1.08+0.92+0.1,(182)13.59﹣6.91﹣0.09,(183)4.58+3.38+(5.48+6.62)(184)73.75﹣(4.3+8.75)(185)5﹣(4.19﹣2.83),(186)1.39+0.72+0.61+3.28,(187)8﹣3.7﹣6.3,(189)15.37﹣7.59+5.73﹣12.41,(190)11.72﹣7.85﹣(1.26+0.46),(191)15.37+28.44+12.56,

(192)12.64﹣(3.96+4.64),(193)36.26﹣4.78+3.74,

(194)7.34+7.57+12.66+6.43,(195)78.65﹣23.12﹣14.88,(195)4.58+2.39+(5.42+7.61),(196)8.27+5.84+1.73+2.16,

(198)0.09+0.6+5.91+3.4,(199)7.85+6.76+2.15 (200)18.43﹣3.76﹣7.24 (201)21.65+(4.8﹣3.65)(202)9.64﹣(4.64﹣1.23)(203)2.7+17.6+3.3﹣5.6 (204)9.87﹣3.5+2.13﹣8.5 (205)5.64+4.97+0.03,(206)10.93﹣3.74﹣4.26,(208)5.81+8.3+4.19+11.7,(209)3.78﹣1.46+1.54,(210)8.45﹣(5.45+2.98);,(211)3.01+8.2+6.99+1.8,(212)4.3﹣(5.98﹣5.7),(213)5.52﹣0.55﹣0.45,(214)19.6﹣26.72+80.4﹣3.28,(215)27.5﹣10.8﹣0.2,(216)43.5+18﹣13.5,

(218)75.36﹣24.9+24.64﹣25.1,(219)12.56﹣6.64﹣3.36,(220)45.5﹣(0.98+5.5),(221)6+7.94+6.4,

(222)5.41+3.46﹣2.46,

(223)2.03﹣0.18﹣2.82+7.97,(224)10﹣4.44﹣5.56,(225)32.63+7.89﹣6.4,(226)3.97+0.7﹣1.32,(227)30﹣(3.8+0.75),(228)75.6﹣(14.3﹣8.3),

小数加减法200题参考答案:(1)7.4+12.86=20.26;

(2)20﹣5.674=14.326;

(3)141.2﹣48.98=92.22;

(4)102+4.36=106.36;

(5)32.15﹣27.45=4.7;

验算:

(6)12.9+5.01=17.91;

验算:

(7)29.46﹣(9.46+3.8),

=29.46﹣9.46﹣3.8,

=20﹣3.8,

=16.2;

(8)15.75+0.65﹣2.75+3.35,

=(15.75﹣2.75)+(0.65+3.35),=13+4,

=17;

(9)65.71﹣4.99,=60.71+0.01,

=60.72;

(10)12.42+0.48=12.9,(11)0.56+11.534=12.094,(12)44﹣22.13=21.87,

(13)91﹣22.035=68.965,

(14)52.6+21.237=73.837,

(15)9.15﹣2.18=6.97.

(16)3.85﹣1.5+1.32,

=2.35+1.32,

=3.67;

(17)

15.4+6.87=22.27

验算:

(18)

3.56+27.84=31.4

验算:

(19)100﹣

82.13=17.87

验算:

验算:

(21)2.7+3.1+2.9+3.2,

=2.7+(3.1+2.9)+3.2,

=2.7+6+3.2,

=11.9.

(22)

28.42+19.48=47.9

验算:

(23)

42.56+3.124=45.684 验算:

(24)81﹣

30.75=50.25

验算:

(25)15.6十

0.237=15.837 验算:

=148.2﹣50,

=98.2.

(27)4.52﹣0.74﹣0.26

=4.52﹣(0.74+0.26)

=4.52﹣1

=3.52;

(28)0.42+5.4+1.58+2.6

=(0.42+1.58)+(5.4+2.6)

=2+8

=10;

(29)5.9+28.65﹣16.57=17.98;

(30)57.5﹣3.25﹣16.75,

=57.5﹣(3.25+16.75),

=57.5﹣20,

=37.5;

(31)6.02+3.6+1.98

=6.02+1.98+3.6,

=8+3.6,

=11.6;

(32)1.29+3.7+2.71+6.3

=(1.29+2.71)+(3.7+6.3),

=4+10,

=14;

(33)3.07﹣0.38﹣1.62

=3.07﹣(0.38+1.62),

=3.07﹣2,

=1.07;

(34)3.25+1.79﹣0.59+1.75

=(3.25+1.75)+(1.79﹣0.59),=5+1.2,

=6.2;

(35)7.5+4.9﹣6.1

=12.4﹣6.1,

=6.3;

(36)14.8+7.9﹣4.8

=14.8﹣4.8+7.9,

=10+7.9

=17.9

(37)2.608+2.84=5.448,

(38)6.07﹣3.869=2.201,

(39)1.5﹣0.306=1.194,

(40)76.8+26.82=103.62,

(41)102.07﹣37.257=64.813,

(42)48.64+18.6=67.24.

(43)54.75﹣5.25﹣14.75,

=54.75﹣(14.75+5.25),

=54.75﹣20,

=34.75;

(44)4.68+14.79+5.32﹣10.79,=(4.68+5.32)+(14.79﹣10.79),=10+4,

=14;

(45)48.9﹣12.7﹣0.3,

=48.9﹣(12.7+0.3),

=48.9﹣13,

=35.9;

(46)56.4﹣39.7+24.3,

=16.7+24.3,

=41;

(47)3.6﹣2.8+3.4﹣7.2,

=(3.6+13.4)﹣(2.8+7.2),

=17﹣10,

=7;

(48)3.67+18.5+6.33,

=(3.67+6.33)+18.5,

=10+18.5,

=28.5;

(49)120﹣17.83﹣2.17,

=120﹣17.83﹣2.17,

=120﹣(17.83+2.17),

=120﹣20,=(17.17﹣6.17)﹣(6.8+3.2),=11﹣10,

=1;

(51)73.8﹣1.64﹣13.8﹣5.36 =73.8﹣13.8﹣(1.64+5.36),

=60﹣7,

=53;

(52)6.75﹣(0.9+3.75)

=6.75﹣3.75﹣0.9,

=3﹣0.9,

=2.1;

(53)27.38﹣5.34+2.62﹣4.66 =22.04+2.62﹣4.66,

=24.66﹣4.66,

=20;

(54)35.72﹣4.9﹣(5.72+5.1)=35.72﹣(4.9+5.72+5.1),

=35.72﹣15.72,

=20;

(55)0.73﹣0.25﹣0.73+0.25 =0.75﹣0.75﹣0.25+0.25,

=0﹣0.25+0.25,

=0﹣0,

=0;

(56)5.3+0.1+5.3﹣0.1

=5.3+5.3+0.1﹣0.1,

=10.6+0.1﹣0.1,

=10.7﹣0.1,

=10.6;

(57)12.7﹣4.8﹣5.2.

=12.7﹣(4.8+5.2);

=12.7﹣10,

=2.7.

(58)23.25﹣6.75﹣3.25

=23.25﹣(6.75+3.25),

=23.25﹣10,

=13.25.

(59)4.58+2.39+(5.42+7.61)=(4.58+5.42)+(2.39+7.61)=10+10,

=20;

(60)9.05﹣3.86﹣3.14,

=9.05﹣(3.86+3.14),

=9.05﹣7,

=2.05;

(61)20﹣9.18﹣0.82,

=20﹣(9.18+0.82),

(62)6.53﹣(1.53+2.6),

=6.53﹣1.53﹣2.6,

=4﹣2.6,

=1.4.

(63)5.52﹣1.074﹣0.926,

=5.52﹣(1.074+0.926),

=5.52﹣2,

=3.52.

(64)4.21+1.04+0.79,

=4.21+0.79+1.04,

=5+1.04,

=6.04

(65)1.36+4.85+2.64+6.15,

=(1.36+2.64)+(4.85+6.15),

=4+11,

=15;

(66)83.7﹣12.83﹣0.17,

=83.7﹣(12.83+0.17),

=83.7﹣13,

=70.7;

(67)4.32+5.43+6.68,

=4.32+6.68+5.43,

=11+5.43,

=16.43;

(68)17.17﹣6.8﹣3.2,

=17.17﹣(6.8+3.2),

=17.17﹣10,

=7.17;

(69)1+12.7+5.9+17.3

=1+(12.7+17.3)+5.9,

=1+30+5.9,

=36.9;

(70)270﹣42.5﹣17.5

=270﹣(42.5+17.5),

=270﹣60,

=210;

(71)15.68﹣(7.78﹣4.32)﹣2.32,

=15.68﹣7.78+4.32﹣2.32,

=(15.68+4.32)﹣(7.78+2.32),

=20﹣10,

=10;

(72)0.9+9.9+99.9+999.9,

=1﹣0.1+10﹣0.1+100﹣0.1+1000﹣0.1,

=(1+10+100+1000)﹣(0.1+0.1+0.1+0.1),=1111﹣0.4,

=1110.6

(73)25.46﹣8.23﹣1.76,=15.45;

(74)9.4+0.3﹣6.4,

=(9.4﹣6.4)+0.3,

=3+0.3,

=3.3;

(75)15.25+4.72+4.75+5.28,

=(15.25+4.75)+(4.72+5.28),=20+10,

=30;

(76)34.823﹣(4.82+15.2),

=34.823﹣4.82﹣15.2,

=30.003﹣15.2,

=14.803;

(77)12.7﹣4.8﹣5.2,

=12.7﹣(4.8+5.2),

=12.7﹣10,

=2.7;

(78)3.1+25.78+6.9,

=(3.1+6.9)+25.78,

=10+25.78,

=35.78;

(79)73.8﹣1.64﹣13.8﹣5.36,=(73.8﹣13.8)﹣(1.64+5.36),=60﹣7,

=53

(80)2.15+8.73+1.27+7.85

=(2.15+7.85)+(8.73+1.27),=10+10,

=20;

(81)11.87﹣(8.2+1.87),

=11.87﹣1.87﹣8.2,

=10﹣8.2,

=1.8;

(82)5.42﹣3.87﹣1.13,

=5.42﹣5,

=0.42;

(83)4.38﹣1.56+0.62﹣0.44,=(4.38+0.62)﹣(1.56+0.44),=5﹣2,

=3;

(84)46.7﹣15.03﹣4.97

=46.7﹣(15.03+4.97),

=46.7﹣20,

=26.7;

(85)4.52+0.61+1.39+6.48

=(4.52+6.48)+(0.61+1.39),=11+2,

=4.27﹣0.23,

=4.04;

(87)7.27﹣(1.98+0.27),=7.27﹣0.27﹣1.98,

=7﹣1.98,

=5.02;

(88)13.7+8.65﹣9.628,

=22.35﹣9.628,

=12.722;

(89)12.8﹣(4.38+1.614)=12.8﹣5.994

=6.806

(90)15.17﹣(3.6+4.9),

=15.17﹣8.5,

=6.67;

(91)35.6+(12.6﹣4.4),

=35.6+8.2,

=43.8;

(92)16.4+3.5+83.6+166.5 =(16.4+83.6)+(3.5+166.5)=100+170

=270;

(93)4.65﹣2.55﹣1.45,

=4.65﹣(2.55+1.45),

=4.65﹣4,

=0.65;

(94)1.28+0.86+38.72,

=(1.28+38.72)+0.86,

=40+0.86,

=40.86;

(95)25.74﹣3.57﹣6.43,

=25.74﹣(3.57+6.43),

=25.74﹣10,

=15.74;

(96)14.5﹣4.68﹣5.32,

=14.5﹣(4.68+5.32),

=14.5﹣10,

=4.5;

(97)0.485+0.64+3.36,

=0.485+(0.64+3.36),

=0.485+4,

=4.485;

(98)72.51﹣9.34﹣12.66,=72.51﹣(9.34+12.66),

=72.51﹣22,

=50.51;

(99)14.02﹣4.5+0.98,=10.5;

(100)5.76+2.43+0.24+10.57,

=(5.76+0.24)+(2.43+10.57),

=6+13,

=19;

(101)9.28﹣(3.28+2.55),

=9.28﹣3.28﹣2.55,

=6﹣2.55,

=3.45;

(102)9.5+4.85﹣6.13,

=14.35﹣6.13,

=8.22;

(103)10.75﹣1.86﹣2.75﹣3.16,=(10.75﹣2.75)﹣(1.86+3.16),=8﹣5.02,

=2.98

(104)1.3+0.94+0.06+7.7,

=(1.3+7.7)+(0.94+0.06),

=9+1,

=10;

(105)4.45+0.63+5.55,

=(4.45+5.55)+0.63,

=10+0.63,

=10.63;

(106)45.5﹣(0.98+5.5),

=45.5﹣0.98﹣5.5,

=(45.5﹣5.5)﹣0.98,

=40﹣0.98,

=40﹣(1﹣0.02),

=40﹣1+0.2,

=39.02;

(107)0.96﹣0.28+0.04﹣0.72,

=(0.96+0.04)﹣(0.28+0.72),

=1﹣1,

=0.

(108)12.7+12.5+0.5,

=12.7+(12.5+0.5),

=12.7+13,

=25.7

(109)0.6+0.94﹣0.208,

=1.54﹣0.208,

=1.332;

(110)27.73﹣(4.73﹣1.85),

=27.73﹣4.73+1.85,

=23+1.85,

=24.85;

(111)3.84+[26.5﹣(20﹣8.6)],

=18.94

(112)7.38﹣5.14+3.62﹣2.86,=(7.38+3.62)﹣(5.14+2.86),=11﹣8,

=3;

(113)5.86+13.08﹣9.27,

=18.94﹣9.27,

=9.67;

(114)25.4﹣(15.4﹣6.4),

=25.4﹣15.4+6.4,

=10+6.4,

=16.4;

(115)47.23﹣7.23﹣5.89,

=40﹣5.89,

=34.11.

(116)4.45+0.63+5.55,

=4.45+5.55+0.63,

=10+0.63,

=10.63;

(117)5.28﹣(2.9+1.28),

=5.28﹣1.28﹣2.9,

=4﹣2.9,

=1.1;

(118)5.25+7.86﹣2.86+4.75,=(5.25+4.75)+(7.86﹣2.86),=10+5,

=15;

(119)0.96﹣0.28+0.04﹣0.72,=(0.96+0.04)﹣(0.28+0.72),=1﹣1,

=0.

(120)9.42+7.39+1.58,

=(9.42+1.58)+7.39,

=11+7.39,

=18.39;

(121)18.4﹣1.6﹣5.4,

=18.4﹣(1.6+5.4),

=18.4﹣7,

=11.4

(122)75.7+39.4﹣23.86,

=115.1﹣23.86,

=91.24;

(123)21.21+38.38﹣9.79,

=59.59﹣9.79,

=49.8;

(124)47.28+1.39+52.72,

=47.28+52.72+1.39,(125)2.45﹣1.68+1.54,

=0.77+1.54,

=2.31

(126)15﹣8.13﹣1.87,

=15﹣(8.13+1.87),

=15﹣10,

=5;

(127)5.14+3.225﹣6.302,

=8.365﹣6.302,

=2.063;

(128)3.95+5.36﹣1.95,

=3.95﹣1.95+5.36,

=2+5.36,

=7.36;

(129)13.67﹣(5.45+3.67),

=13.67﹣5.45﹣3.67,

=13.67﹣3.67﹣5.45,

=10﹣5.45,

=4.55;

(130)4.26+5.48﹣1.26+4.52,

=(4.52+5.48)+(4.26﹣1.26),=10+3;

=13;

(131)14.67+25.91+15.33+4.09,=(14.67+15.33)+(25.91+4.09),=30+30,

=60

(132)10.75﹣(2.4﹣0.86),

=10.75﹣1.54,

=9.21;

(133)9.61﹣4.38+0.35,

=5.23+0.35,

=5.58;

(134)3.87+4.92+1.13,

=(3.87+1.13)+4.92,

=5+4.92,

=9.92;

(135)46.24﹣8.66﹣1.34,

=46.24﹣(8.66+1.34),

=46.24﹣10,

=36.24;

(136)21.9﹣9.22﹣0.78+8.1,

=21.9﹣(9.22+0.78)+8.1,

=21.9﹣10+8.1,

=11.9+8.1,

=20;

(137)35.47+39.88﹣12.37,

=62.98;

(138)93.21﹣5.99﹣14.01,

=93.21﹣(5.99+14.01),

=93.21﹣20,

=73.21;

(139)15.37+28.94+4.63+1.06,

=(15.37+4.63)+(28.94+1.06),

=20+30,

=50;

(140)42.37﹣(12.37﹣9.78),

=42.37﹣12.37+9.78,

=30+9.78,

=39.78

(141)38.78﹣19.59+41.22﹣30.41,

=38.78+41.22﹣19.59﹣30.41,

=(38.78+41.22)﹣(19.59+30.41),

=80﹣50,

=30;

(142)1.9+19.9+199.9+0.3

=1.9+19.9+199.9+0.1+0.1+0.1,

=(1.9+0.1)+(19.9+0.1)+(199.9+0.1),=2+20+200,

=222;

(143)429+31.1+2.04,

=429+(31.1+2.04),

=429+33.14,

=462.14,

(144)100﹣27.2﹣42.8,

=100﹣(27.2+42.8),

=100﹣70,

=30,

(145)9﹣(3.02+1.25),

=9﹣4.27,

=4.73,

(146)1.8﹣1.57+0.2,

=1.8+0.2﹣1.57,

=2﹣1.57,

=0.43

(147)5.03﹣2.5+0.96,

=2.53+0.96,

=3.49;

(148)35.72﹣(5.9+5.72),

=35.72﹣5.9﹣5.72,

=35.72﹣5.72﹣5.9,

=30﹣5.9,

=24.1;

(149)25﹣4.7+5.3,(150)1.3+2.83+8.7+0.17,=(1.3+8.7)+(2.83+0.17),=10+3,

=13;

(151)2.47﹣2.2﹣3.8+7.53,=(2.47+7.53)﹣(2.2+2.8),=10﹣5,

=5

(152)6.89+4.7+2.11+5.3,=(6.89+2.11)+(4.7+5.3),=9+10,

=19;

(153)7.46﹣2.37﹣1.63,

=7.46﹣(2.37+1.63),

=7.46﹣4,

=3.46;

(154)14﹣(3.65+0.24),

=14﹣3.89,

=10.11;

(155)70.8﹣1.25﹣1.75,

=70.8﹣(1.25+1.75),

=70.8﹣3,

=67.8;

(156)5.81+8.3+4.19+11.7,=(5.81+4.19)+(8.3+11.7),=10+20,

=30;

(157)4.2+7.64+5.8+2.36,=(4.2+5.8)+(7.64+2.36),=10+10,

=20;

(158)14.28﹣2.63﹣7.37,=14.28﹣(2.63+7.37),

=14.28﹣10,

=4.28;

(159)6.8+5.26+3.74+3.2,=(6.8+3.2)+(5.26+3.74),=10+9,

=19;

(160)6.21﹣3.8+2.2,

=2.41+2.2,

=4.61;

(161)6.03+3.7+2.97,

=(6.03+2.97)+3.7,

=9+3.7,

=12.7;

=17.43﹣9,

=8.43;

(163)20.47﹣(1.47+6.8),

=20.47﹣1.47﹣6.8,

=19﹣6.8,

=12.2;

(164)13.26+4.71+3.47+5.29,=(13.26+3.47)+(4.71+5.29),=16.73+10,

=26.73;

(165)22.74+8.68﹣13.74,

=(22.74﹣13.74)+8.68,

=9+8.68,

=17.68

(166)12.56﹣6.64﹣3.36,

=12.56﹣(6.64+3.36),

=12.56﹣10,

=2.56;

(167)45.5﹣(0.98+5.5),

=45.5﹣0.98﹣5.5,

=45.5﹣5.5﹣0.98,

=40﹣0.98,

=39.02;

(168)13.6+7.94+6.4,

=(13.6+6.4)+7.94,

=20+7.94,

=27.94;

(169)15.19+3.36+4.64+4.81,=(15.19+4.81)+(3.36+4.64),=20+8,

=28

(170)4.7+7.69+5.3+2.31,

=(4.7+5.3)+(7.69+2.31),

=10+10,

=20.

(171)53.78﹣13.6﹣37.4+6.22,=(53.78+6.22)﹣(13.6+37.4),=60﹣51,

=9.

(172)60﹣(21.5﹣8.8)+7.3,=60﹣12.7+7.3,

=47.3+7.3,

=54.6

(173)9.5+4.85﹣6.13,

=14.35﹣6.13,

=8.22;

(174)75.8﹣(15.3﹣4.8),(175)51.27﹣8.66﹣1.34,

=51.27﹣(8.66+1.34),

=51.27﹣10,

=41.27;

(176)28.4﹣3.96﹣1.04+4.6,=(28.4+4.6)﹣(3.96+1.04),=33﹣5,

=28;

(177)70.8﹣7.25﹣1.75

=70.8﹣(7.25+1.75),

=70.8﹣9,

=61.8;

(178)5.81+8.3+4.19+11.7

=(5.81+4.19)+(8.3+1.7),

=10+10,

=20;

(179)794﹣198,

=794﹣(200﹣2),

=794﹣200+2,

=594+2,

=596;

(180)6756﹣193﹣207,

=6756﹣(193+207),

=6756﹣400,

=6356;

(181)0.9+1.08+0.92+0.1,

=(0.9+0.1)+(1.08+0.92),

=1+2,

=3;

(182)13.59﹣6.91﹣0.09,

=13.59﹣(6.91+0.09),

=13.59﹣7,

=6.59

(183)4.58+3.38+(5.48+6.62)=4.58+5.48+(3.38+6.62),

=10.06+10,

=20.06;

(184)73.75﹣(4.3+8.75)

=73.75﹣8.75﹣4.3,

=65﹣4.3,

=60.7;

(185)5﹣(4.19﹣2.83),

=5﹣1.36,

=3.64;

(186)1.39+0.72+0.61+3.28,=(1.39+0.61)+(0.72+3.28),=2+4,

小学四年级小数加减法练习题

小学四年级小数加减法练习题 一、小数加减法口算题 8.60-6.39= 8.49+6.71= 8.06+1.37= 2.91+5.54= 2.44+4.86= 17.40-4.04= 0.45+5.47= 7.68-6.50= 3.83+9.45= 3.90-2.76= 6.01+5.39= 2.98+3.26= 6.97-5.97= 8.25- 4.64= 5.82-4.73= 8.78-0.52= 1.27+0.31= 8.42-7.04= 1 6.76+6.61= 0.41+0.95= 4.15+7.08= 2.59+9.10= 3.51+9.00= 4.54+2.55= 8.70+1.16= 1.31+ 5.61= 7.21-0.77= 8.64-7.85= 8.68+0.84= 2.62+3.19= 5.93-1.20= 3.66+5.90= 6.14-2.01= 5.58+0.13= 5.15-4.79= 5.29+6.33= 5.86-1.95= 3.79-3.47= 8.89-0.20= 7.42+9.92= 3.58-2.87= 7.31-2.51= 8.81-5.75= 6.67-2.72= 3.04+5.71= 1.73+ 4.32= 4.47+9.24= 8.53+3.94= 8.36-3.72= 6.78-1.84= 6.35-2.83= 4.36+7.50= 7.57+6.82= 5.18+2.34= 8.74- 6.93= 7.96+2.29= 4.58+5.79= 1.05+9.02= 4.30-4.19= 4.94-2.06= 7.93-4.75= 6.03-2.94= 4.62+3.02= 9.32+3.40= 5.43+3.23= 3.55+5.33= 8.21-4.90= 2.38+2.40= 9.28+1.69= 6.89-0.88= 4.97+7.29= 3.34+4.51= 6.29+0.67= 9.60+0.73= 2.23+5.50= 9.81-0.09= 2.80+6.46= 7.74+1.48= 4.22-2.66= 8.28+7.36= 7.48-6.52= 4.64-3.25= 5.62+2.82= 6.63+7.16= 5.94-0.36= 8.80+7.97= 7.87+9.72= 8.76+0.75= 7.37-4.92= 7.52-1.82= 3.42+6.99= 4.06+4.85= 7.55+7.05= 9.40-8.83= 7.41-2.14= 2.53+4.77= 8.23-2.35= 4.45+6.35= 1.00+4.02= 5.20-1.50=

五年级数学小数加减法计算题简便计算

五年级数学小数加减法计算题(简便计算) 13.6+7.84+6.4 38.7-14.47-5.53 8.5+9.9 1.31+4.7+0.69+5.3 1.25+3.7+0.75 5.6-0.18-1.2 7.08+16+8.2 10+0.009+0.191 3.75-0.75-1.25 80-19.4-8.09-3.51 5.6+0.5-5.6+0.5 7.2+5.6-2.8 34.5-(17.2+4.5) 27.3+73.2+72.7 585+189+215 5.85-1.75- 0.25 768-274-126 5.85+1.89+2.15 24.8+14.6+15.4 42.5-22.17-7.83 3.8+1.37+6.2+12.63 45.55-(6.82+15.55) 34.52-17.87-12.23

4.57+3.17+3.43+ 5.83 23.75-8.64-3.36 17.83-9.5-7.83-0.5 3.45+8.7+16.55+1.3 8.54-5.96 27.38-5.34+2.62-4.66 21.63-(8.5+9.63) 45.55-(6.82+15.55) 34.52-17.87-12.23 4.7+3.17+3.43+ 5.83 23.75-8.64-3.36 17.83-9.5-7.83-0.5 3.45+8.7+1 6.55+1.3 2 7.38-5.34+2.62-4.66 21.63-( 8.5+ 9.63)

4.32-(1.26+2.34) 2.5+3.25+0.75+7.5 2.53+1.79+ 3.47 10.08- 4.79-1.21 17.05-(2.05-6.4) 3.73+5.28+ 4.27+4.72 103 +10017+100029 108米-1008米-1000 8米 3元5角+2元5角-1元8角3分 9.4+0.3-6.4 15.25+4.72+4.75+5.28 34.82-(4.82+15.2) 12.7-4.8-5.2 3.1+25.78+6.9 73.8-1.64-13.8-5.36 45.55-(6.82+15.55) 34.52-17.87-12.23 4.57+3.17+3.43+ 5.83 23.75-8.64-3.36 17.83-9.5-7.83-0.5

四年级小数加减法口算练习600题

4.7+3.1=4.7-3.8=3.6+3.7=1.7+6.9=6.6- 5.93= 6.8-3.77= 7.5-2.68=6.5+6.81=1.8+2.06=8.7+3.31= 8.11-5.2= 9.61-7.7=7.56-2.6=9.906+8.73=8.96-2.404=3.782+5.63=7.9-3.666=4.89-3.03= 3.99+9.58= 5.51+9.41= 6.36+5.28= 4.74+7.79= 5.1+1.2= 8.6-5.4= 4.4+ 5.4= 7.2-1.2= 7.8-5.5= 7.1-6.7= 1.5-1.09= 3+4.39= 1.7+4.68= 5.2-3.42= 9.4+4.6= 5.52-2.8= 7.43+7.3= 4.6-4.07= 3.99-3.06= 7.85+7.501= 7.538+9.51= 3.94-1.54= 5.23+4.845= 8.76-3.69= 9.8-2.6= 5.44+8.38= 9.49+6.44= 2.5+5.3= 6.3-1.9= 9.7+4.9= 2.2+4.4= 9.4-4.3= 6.3-4.26= 2.9+9.2= 9.4+8.8= 4.5-1.85= 4.28-4.21= 5.26-2.5= 1.27+3.5= 9.65-4.5= 2.208+4.4= 6.339-1.48= 5.331+7.91= 6.49+4.97= 5.68+3.216= 1.28+4.5= 9.34-1.49= 5.29-5.09= 7.92+9.92= 5.86+5.69=

9.3-7.5=2.5+3.7=9.8-4.2=6.3-2.5=9.5-8.45=4.7-4.33=4.7+9.36=6.54-1= 5.6-4.42=3.36-1.77=5.67-5.6=4.49-1.6=9.75-8.01=2.06+8.46= 4.16+2.764= 5.52-1.1=5.81+5.09=8.21+9.22= 7.53+4.83= 6.91-6.16= 5.6-4.241= 7.05-5.075= 3.12+2.09= 8.44-1.71= 8.74+4.89= 9.52-7.99= 3.59+8.35= 5.9+8.9= 7.65-6.87= 7.84-2.06= 9.14+5.26= 7.77+5.55= 2.34+1.06= 8.94-1.07= 9.21-5.67= 4.83-4.2= 4.73+7.51= 4.88-1.05= 7.31+2.79= 8.82+4.56= 6-3.93= 5.86-5.36= 9.61-2.16= 6.24-3.37= 1.62+1.47= 5.32+ 6.17= 5.29-4.85= 7.84+6.77= 5.41-1.26= 7.83-1.39= 8.4+2.36= 8.56+4.49= 6.43+5.24= 5.27-4.59= 8.49+2.82= 4.87+3.45= 2.86-1.29= 9.85-8.21= 4.04+9.53= 6.62+6.33= 6.48-3.47= 2.59+5.78= 7.03-4.75= 9.21-3.91= 3.3+1.27= 7.15+9.04= 5.15+2.01= 7.21+8.84=

小数加减法的简便运算

小数加减法的简便运算 例1. 6.28+5.74+3.72+5.26 4.36+14.8+5.64+5.2 16.9-5.6-4.4 38.2,7.09,20.6,2.31 9.08-(5.7+1.08) 27.85,(7.85+3.4) 课堂练习: (1)27.3+73.2+72.7 (2) 585+189+215 (3) 5.85,1.75,0.25 (4)768,274,126 (5) 5.85+1.89+2.15 (6)24.8+14.6+15.4 (7)42.5,22.17,7.83 (8)3.8+1.37+6.2+12.63 (9)17.05,(2.05,6.4) (10)3.73+5.28+4.27+4.72 (11)10-3.6-1.4 (12) 1.2+2.5+1.8 1 (13)0.25+0.15+0.75+0.85 (14) 0.5+1.5+1.5+0.5 (15)5.26+3+1.74 (16) 3.46+1.28+0.54+2.72 (17)24.8+14.6+15.4 (18)5.85,1.75,0.25 (19)21.32,(6.32+8.3) (20)12.45,1.35,0.65 (21)27.3+73.2+72.7 (22)42.5,22.17,7.83 (23)3.8+1.37+6.2+12.63 (24)(15.28+28.99)+20.72 (25)5.85+1.89+2.15 (26)24.8+14.6+15.4 小测: 小数加减法练习题 一、直接写得数。 1.5,0.5, 1,0.9, 2.3,0.6, 0.9,0.8,

(完整word版)小数加减法、乘法计算练习试题

小数加减法、乘法计算练习 一、直接写得数 3.8×2= 10×0.7= 13.9×0= 508÷100= 5.5×1= 1.8×0.5= 3.2×3= 13.1×0.3= 0.08×1.25= 2.5×4= 2.5×8= 0.5×0.2= 0.6×0.1= 0.7×0.8= 2.5×8×0= 125×0.8= 二、竖式计算 6.14+3.83= 7.93-1.64= 5.23-2.36= 3.44+3.36= 7.74-5.85= 9.35-4.74= 3 8.63-3.48= 1.16+4.77= 8.17-5.26= 2.26-0.86= 4.93+4.75= 76.55+4.68= 三、竖式计算 2.8×0.7= 13×0.15= 0.39×0.6= 0.38×600=

7.05×2.4= 0.46×7.9= 89.3×7.6= 60.5×400= 3.05×18= 0.37×2.31= 4.6×18.9= 40.5×4.2= 六、脱式计算,能简便的要简便计算。 12.5×8.2×8 5.6×101 0.125×(80+0.8) 0.4×0.16×2.5 0.23×1.4+0.23×8.6 7.85×99 1.15×99+1.15 16.2×101-16.2 4.5×7.8+5.5×7.8 2.8+7.2×0.810.34×2.5×0.40.7×0.46+0.7×0.54

七、解决问题 1、汽车每小时行45千米,火车的速度是汽车速度的2.8倍,飞机的速度是火车速度的7.5倍,飞机每小时飞行多少千米? 2、修一条水渠,原计划每天修0.24千米,实际每天比原计划多修0.06千米,12天后还差0.4千米没有修,这条水渠长多少千米? 3、苹果每千克3.8元,梨每千克2.9元,妈妈买了3千克苹果和5千克梨,一共花了多少钱? 4、每人每天节约0.21千克水,50个人4月份能节约多少千克水?

(完整版)小数加减法竖式计算题库.docx

小数加减法的训练:(B) 1. 小数数位相同的加减法(竖式计算)7.51+0.49=9.03-8.57= 27.38+4.83=26.75+ 2.83= 3.64-2.58= 6.52-3.44= 5.48-3.25= 4.8+18.9= 1 5.31+13.51=9.03-8.57=10.3+58.7=8.03-4.56= 5.5+4.5= 3.27-2.49= 8.25+1.55=9.43-9.05= 11.65-7.39=19.01-7.99= 1.75+2.08= 4.28-3.37=

4.13+2.24= 5.16+7.89= 10.2-8.75=12.7+6.58= 4.17+2.53= 5.07-0.98= 7.3-2.25= 3.8+3.54= 5.67-0.73=13.18+5.27= 3.05-2.9= 3.1-2.07= 小数加减法的训练:(B) 2.小数数位不同的加减法 26.8+3.02= 6.07-4.993=7.81-3.735=12.16+5.347= 3.7+2.36=15.4+2.97= 0.4-0.125=18.7+3.96=

9.6+4.78=62.1-17.07= 75.6-3.55=10.1-0.55= 5.67-0.845=0.506-0.19= 5.94+10.7=12.03+0.875= 11.04-7.3= 1.4-0.405= 37.8+3.02=0.704-0.25= 1.4-0.405= 3.906+0.66=小数加减法的训练:(B) 3. 整数与小数的加减法 10+10.1=27+8.03= 43.5-27.34=15.98-3.9=

小数加减法计算题库

四年级下册计算题库(一)——小数的加法和减法 1.小数数位相同的加减法(竖式计算) 27.38+4.83= 26.75+2.83= 3.64-2.58= 6.52-3.44= 15.31+13.51= 5.5+4.5= 3.27-2.49= 11.65-7.39= 19.01-7.99= 7.51+0.49= 5.48-3.25= 4.8+18.9= 10.3+58.7= 8.03-4.56= 9.03-8.57= 8.25+1.55= 9.43-9.05= 1.75+2.08= 4.28-3.37= 4.13+2.24= 4.17+2.53= 5.07-0.98= 5.67-0.73= 13.18+5.27= 5.16+7.89= 2.小数数位不同的加减法(竖式计算) 26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97= 10.2-8.75= 7.3-2.25= 3.8+3.54= 3.05-2.9= 3.1-2.07= 12.7+6.58= 7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78= 5.67-0.845= 0.506-0.19= 11.04-7.3= 1.4-0.405= 62.1-17.07= 1.4-0.405= 3.906+0.66= 43.5-27.34= 15.98-3.9= 75.6-3.55= 5.94+10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25= 10.1-0.55= 3.整数与小数的加减法(竖式计算) 10+10.1= 27+8.03= 26+7.98= 13.99+1= 7.88+2 = 28-3.56= 10-0.81= 10-0.36= 20-0.92= 8-7.089= 95-9.85= 20-9.42= 35.09-11= 96.85-85= 45.45-45= 10-0.41= 45-0.45= 3.57+3= 4.小数加减混合运算(递等式计算) 5.03-2.5+0.96 22.8-5.23-9.125 23.66+4.34-3.56 5.6-0.81-1.29 15.9+3.26+4.17 67.2+41.5-71.39 10.75+0.4-9.473 16.23+8.92-7.56 50-28.5-13.45 13.79-9.653+170.57 1.5+0.68-0.306 72.8-8.6+5.84 20.8-(15.98-3.9) 32.5+(5.07+6.13) 3.52-(4.66-3.82) 5.小数加减简便运算(递等式计算) 0.9+1.08+0.92+0.1 5.26+3.43+0.74 5.6+2.7+4.4 20.15+7.62+7.85 51.27-8.66-1.34 48.14-2.43-7.57 18.76-3.47-0.53 5.17-1.8-3.2 70.8-1.25-1.75 4.02-3.5+0.98 4.25-0.83+0.75 23.04-0.8-13.4-6.2 15.13+4.92-5.13 3.98-1.5+6.02 4.8+1.2-4.8+1.2 30.99-(8.5+15.99) 72.6-(22.6+3.45) 36.06-(5+6.06)四年级下册计算题库(一)——小数的加法和减法 1.小数数位相同的加减法(竖式计算) 27.38+4.83= 26.75+2.83= 3.64-2.58= 6.52-3.44= 15.31+13.51= 5.5+4.5= 3.27-2.49= 11.65-7.39= 19.01-7.99= 7.51+0.49= 5.48-3.25= 4.8+18.9= 10.3+58.7= 8.03-4.56= 9.03-8.57= 8.25+1.55= 9.43-9.05= 1.75+2.08= 4.28-3.37= 4.13+2.24= 4.17+2.53= 5.07-0.98= 5.67-0.73= 13.18+5.27= 5.16+7.89= 2.小数数位不同的加减法(竖式计算) 26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97= 10.2-8.75= 7.3-2.25= 3.8+3.54= 3.05-2.9= 3.1-2.07= 12.7+6.58= 7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78= 5.67-0.845= 0.506-0.19= 11.04-7.3= 1.4-0.405= 62.1-17.07= 1.4-0.405= 3.906+0.66= 43.5-27.34= 15.98-3.9= 75.6-3.55= 5.94+10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25= 10.1-0.55= 3.整数与小数的加减法(竖式计算) 10+10.1= 27+8.03= 26+7.98= 13.99+1= 7.88+2 = 28-3.56= 10-0.81= 10-0.36= 20-0.92= 8-7.089= 95-9.85= 20-9.42= 35.09-11= 96.85-85= 45.45-45= 10-0.41= 45-0.45= 3.57+3= 4.小数加减混合运算(递等式计算) 5.03-2.5+0.96 22.8-5.23-9.125 23.66+4.34-3.56 5.6-0.81-1.29 15.9+3.26+4.17 67.2+41.5-71.39 10.75+0.4-9.473 16.23+8.92-7.56 50-28.5-13.45 13.79-9.653+170.57 1.5+0.68-0.306 72.8-8.6+5.84 20.8-(15.98-3.9) 32.5+(5.07+6.13) 3.52-(4.66-3.82) 5.小数加减简便运算(递等式计算) 0.9+1.08+0.92+0.1 5.26+3.43+0.74 5.6+2.7+4.4 20.15+7.62+7.85 51.27-8.66-1.34 48.14-2.43-7.57 18.76-3.47-0.53 5.17-1.8-3.2 70.8-1.25-1.75 4.02-3.5+0.98 4.25-0.83+0.75 23.04-0.8-13.4-6.2 15.13+4.92-5.13 3.98-1.5+6.02 4.8+1.2-4.8+1.2 30.99-(8.5+15.99) 72.6-(22.6+3.45) 36.06-(5+6.06)

小数加减法口算题

8.60-6.39= 8.49+6.71= 8.06+1.37= 2.91+5.54= 2.44+4.86= 17.40-4.04= 0.45+5.47= 7.68-6.50= 3.83+9.45= 3.90-2.76= 6.01+5.39= 2.98+3.26= 6.97-5.97= 8.25- 4.64= 5.82-4.73= 8.78-0.52= 1.27+0.31= 8.42-7.04= 1 6.76+6.61= 0.41+0.95= 4.15+7.08= 2.59+9.10= 3.51+9.00= 4.54+2.55= 8.70+1.16= 1.31+ 5.61= 7.21-0.77= 8.64-7.85= 8.68+0.84= 2.62+3.19= 5.93-1.20= 3.66+5.90= 6.14-2.01= 5.58+0.13= 5.15-4.79= 5.29+6.33= 5.86-1.95= 3.79-3.47= 8.89-0.20= 7.42+9.92= 3.58-2.87= 7.31-2.51= 8.81-5.75= 6.67-2.72= 3.04+5.71= 1.73+ 4.32= 4.47+9.24= 8.53+3.94= 8.36-3.72= 6.78-1.84= 6.35-2.83= 4.36+7.50= 7.57+6.82= 5.18+2.34= 8.74- 6.93= 7.96+2.29= 4.58+5.79= 1.05+9.02= 4.30-4.19= 4.94-2.06= 7.93-4.75= 6.03-2.94= 4.62+3.02= 9.32+3.40= 5.43+3.23= 3.55+5.33= 8.21-4.90= 2.38+2.40= 9.28+1.69= 6.89-0.88= 4.97+7.29= 3.34+4.51= 6.29+0.67= 9.60+0.73= 2.23+5.50= 9.81-0.09= 2.80+6.46= 7.74+1.48= 4.22-2.66= 8.28+7.36= 7.48-6.52= 4.64-3.25= 5.62+2.82= 6.63+7.16= 5.94-0.36= 8.80+7.97= 7.87+9.72= 8.76+0.75= 7.37-4.92= 7.52-1.82= 3.42+6.99= 4.06+4.85= 7.55+7.05= 9.40-8.83= 7.41-2.14= 2.53+4.77= 8.23-2.35= 4.45+6.35= 1.00+4.02= 5.20-1.50=

小数加减法 计算题 200 题

小数加减法计算题 200道 7.18-3.34= 2.4+1.05= 9.1+2.47= 7.74-1.87= 7.44-5.56= 3.35+2.14= 7.87+7.04= 5.73-4.18= 5.92+9.41= 6.15-2.05= 9.76-5.39= 1.54+5.69= 1.48+3.86= 2.94+1.7= 4.81+9.05= 3.86+7.14= 5.54-2.38= 6.94+9.4= 6.65-1.08= 4.97-2.98= 4.36-2.28= 1.67+3.63= 9.23-4.61= 8.78-6.73= 7.24+4.75= 7.8-2.15= 3.23-1.25= 1.2+6.18= 7.65+8.16= 9.65+8.75= 7.95+9.24= 8.9-3.95= 5.72-4.21= 8.32-1.53= 5.73+4.16= 6.01-4.31= 5.84+3.12= 9.49+1.91= 8.27-6.39= 2.56-2.26= 8.16-2.98= 8.2-7.65= 4.59-1.26= 5.88+2.1= 5+6.59= 6.89+6.64= 8.91-4.74= 4.81-1.14= 5.28-3.7= 3.8-1.77= 1.67+6.48= 3.95+7.6= 1.56+5.22= 9.56-5.34= 8.69-7.29= 8.87-5.24= 6.11-1.27=

8.61+7.24= 6.28+1.27= 8.94+9.34= 3.95+3.64= 4.96-2.95= 7.83+2.24= 9.9+7.13= 9.83-5.51= 7.12-6.72= 6.88+7.43= 9.69-2.82= 6.79+6.5= 1.61+2.5= 8.9-3.95= 3.75+9.98= 7.77-4.95= 8.94-3.9= 4.37+2.59= 4.14-3.82= 6.28+7.21= 2.35+1.88= 9.23-2.05= 1.55-1.05= 1.47+7.26= 2.14+4.33= 3-1.97=7.45+7.29= 4.21+8.93= 5.16-1.08= 8.94-7.75= 2.1+5.42= 9.81-3.3= 4.2-1.53= 1.5+4.7= 7.21-3.68= 6.59-2.99= 8.28-6.34= 9.96-8.42= 5.62-1.56= 7.93-3.6= 6.29-3.72= 9.04+1.39= 7.16+8.39= 9-4.97= 8.53-5.86= 5-4.92= 3.94+7.16= 9.37-3.82= 7.25+6.28= 4-3.05= 7.96-1.79= 8.85+6.8= 2.56+4.12= 9.5+4.25= 4.11+7.22= 9.48-2.55= 3.9+7.13= 8.91-3.62= 6.26-2.62= 2.56+3.12=

四年级小数加减法口算练习题.docx

06+8.73 = 5.2-3.42 =9.4-4.3 = 5.86+5.69 =8.96-2.404 =9.4+4.6 = 6.3-4.26 = 5.7-3.2 =3.782 +5.63 = 5.52-2.8=8.7+7.76 =9.3-7.5 = 7.9-3.666 = 2.21+5.6= 2.9+9.2 = 2.5+3.7 = 8.459 -8.11 =7.43+7.3=9.4+8.8 =9.8-4.2 =4.89-3.03 = 4.6-4.07= 4.5-1.85 = 6.3-2.5 =3.99+9.58 = 3.99-3.06 = 4.28-4.21 =9.5-8.45 = 5.51+9.41 =7.85+7.501 = 5.26-2.5 = 4.7-4.33 = 6.36+5.28 = 7.538 +9.51 = 1.27+3.5 = 4.7+9.36 = 4.74+7.79 = 3.94-1.54 =9.65-4.5 = 6.54-1= 5.1+1.2 = 5.23+4.845 = 2.208 +4.4= 5.6-4.42=8.6-5.4 =8.76-3.69 = 6.339 -1.48 = 3.36-1.77 =4.4+5.4 =9.8-2.6 = 5.331 + 7.91 = 5.67-5.6=7.2-1.2 = 5.44+ 8.38 = 6.49+4.97= 4.49-1.6=7.8-5.5 = 9.49+6.44 = 5.68+3.216 =9.75-8.01 =7.1-6.7 = 2.5+5.3 = 1.28+4.5 = 2.06+8.46 =1.5-1.09 = 6.3-1.9 =9.34-1.49= 4.16+2.764 =3+4.39 =9.7+4.9 = 5.29-5.09= 5.52-1.1=1.7 +4.68 = 2.2 +4.4 =7.92 +9.92 = 5.81 +5.09 =

小数加减法计算练习题

练习一 6.84-5.73= 5.2-0.08= 3.25+0.75=0.97+6.13= 4.9-0.85= 2.13+6.89= 1.72+3.6=1 7.2—0.36= 11.6-9.23=0.78+ 2.2= 5.2-0.08= 3.25+0.75= 4.22+ 8.46= 5.63+1.25= 5.63+1.25= 9.36-1.59= 4.65-1.15=7.65-4.19=8.88-2.69=0.72+0.91= 练习二 8.24+3.76= 4.12-3.8=14.3+0.78= 1.3+8.56= 4-0.04= 1.2-0.03= 3.5+3.05=0.8-0.45= 5.2-0.08= 3.25+0.75=0.8-0.55=0.83+0.68= 5.63-5.21=9.25+2.25= 5.40-4.86= 5.03-2.90= 1.59+3.95= 6.54+0.58=54.49-22.5=23.5+21.35= 练习三 9.36+43.56=16.65+18.87=0.99+24.85=9.45-6.61= 85.69-48.58=45.46-26.57=64.19-29.57=33.84+16.5= 3.8+61.18=35.65-19.9= 6.49-4.81=35.4-24.58= 2.65+9.25= 1.65+4.05= 6.65-1.24= 6.56-2.87= 9.08-0.28= 6.25-5.73=31.51+8.4=8.43+8.81= 练习四 26.34-15.24=17.38+15.25=16.68-9.54=54.6-42.1= 13.24+8.64= 6.25-5.94= 6.3-1.18=16.3+5.16= 41+18.24=45.52-22.18=69.52-31.48=6-5.33= 585+189+215=248+146+154=768-274- 126=

(完整版)四年级小数加减法口算练习题

1.5-0.5= 1-0.9= 2.3+0.6= 0.9+0.8= 1-0.3= 3.4-1.5= 1.9-0.9= 3.5-2.4= 0.36+0.64= 3.5+ 4.2= 6-0.5= 2.7-0.4= 0.8+ 0.7= 4.5-3= 7.8-1.1= 1.5-0.5= 1-0.9= 2.3+0.6= 0.9+0.8= 1.9-0.9= 3.5 -2.4= 0.36+0.64= 0.96-0.3= 8.65-6.31= 2.5+0.9= 1.2-0.5= 7.8+1.6= 0.39+0.15= 3-1.4= 4.7-2.8= 7.2-6.45= 15-0.48= 6.77-1.78= 3.45+5.75= 3.40+58.20= 49.80+49.20= 111.6-99= 7.8+21.02= 5.6-1.42= 12.5+0.9= 4.5-2.83= 3.75+2.25= 2.98+0.56= 12.53+4.67= 6.07+4.89= 5.64-1.78= 10.2-6.45= 5-0.41= 0.3+1.5= 2.5+9.8= 7.6+1.3= 4.4+5.7= 2.3+7.7= 5.7+3.1= 7.69+2.31= 9.16+2.64= 5.68+12.22= 16.8+16.5= 26.3+14.6= 6.9+3.4= 52.3+64.7= 12.75-5.3= 8.24+16.93= 0.75+0.4= 20+0.78= 4.8+4.2= 5.7-3= 4.9-1.7= 1.34+0.8= 2-0.75= 8.7+0.03= 0.2-0.09= 8.5+2.5= 2.4-1.4= 0.68+0.42= 7.82-7.2= 2+9.1= 0.48+0.52= 8.1-5.1= 0.78-0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.9+0.1= 1-0.8= 4.5-4= 5.6+4= 10-4.4= 6+6.6= 9.5-2.7= 1-0.55= 3.7+4.8= 7+3.3= 3.25+0.75= 2.7+3.9=

小数加减法竖式计算题库

小数加减法的训练:(B) 1.小数数位相同的加减法(竖式计算) 27.38+4.83= 26.75+2.83= 3.64-2.58= 6.52-3.44= 15.31+13.51= 9.03-8.57= 5.5+4.5=3.27-2.49= 11.65-7.39= 19.01-7.99= 7.51+0.49=9.03-8.57= 5.48-3.25= 4.8+18.9= 10.3+58.7= 8.03-4.56= 8.25+1.55= 9.43-9.05= 1.75+2.08= 4.28-3.37= 4.13+2.24= 5.16+7.89= 4.17+2.53= 5.07-0.98= 5.67-0.73= 13.18+5.27= 小数加减法的训练:(B) 2.小数数位不同的加减法 26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97= 10.2-8.75= 12.7+6.58= 7.3-2.25= 3.8+3.54= 3.05-2.9= 3.1-2.07= 7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78= 62.1-17.07= 5.67-0.845= 0.506-0.19= 11.04-7.3= 1.4-0.405= 1.4-0.405= 3.906+0.66= 43.5-27.34= 15.98-3.9= 75.6-3.55= 10.1-0.55= 5.94+10.7= 12.03+0.875= 37.8+3.02=0.704-0.25= 小数加减法的训练:(B) 3.整数与小数的加减法 10+10.1= 27+8.03= 26+7.98= 13.99+1= 7.88+2 = 3.57+3= 28-3.56= 10-0.81= 10-0.36= 20-0.92= 8-7.089= 45.45-45= 95-9.85= 20-9.42= 35.09-11= 96.85-85= 10-0.41= 45-0.45= 4.小数加减 5.03-2.5= 22.8-5.23= 23.66+4.34= 3.52-4.66= 5.6-0.81= 15.9+3.26= 67.2+41.5= 50-28.5= 10.75+0.4= 16.23+8.92= 13.79-9.653=1.5+0.68= 72.8-8.6= 5.16+7.89= 15.98-3.9= 5.07+6.13= 小数数位相同的加减法 27.38+4.83= 26.75+2.83= 3.64-2.58=6.52-3.44=15.31+13.51= 7.51+0.49= 5.5+4.5= 3.27-2.49=11.65-7.39= 19.01-7.99= 5.48-3.25= 4.8+18.9= 10.3+58.7=8.03-4.56= 9.03-8.57= 4.13+2.24= 8.25+1.55= 9.43-9.05= 1.75+2.08=4.28-3.37= 4.17+2.53= 5.07-0.98= 5.67-0.73= 13.18+5.27= 2.小数数位不同的加减法

100道数学小数加减法练习题

三年级数据小数点加减法练习题 班级: 姓名:日期: 8.6-3.9= 5.5-4.7= 8.4-2.8= 9.4+8.7=12.8+4.7=9.4-5.5= 3.6+3.7= 4.4-2.8= 7.5-4.7= 4.7+2.9= 5.3-3.8= 5.6+8.8= 8.3-4.7= 2.6+4.8= 6.4-4.5= 4.7+4.9=5.5-1.8= 1.7+9.5=8.7-4.5=7.6+2.8=

1.7+5.9= 9.8-5.9= 5.8+1.9= 4.3-1.9=3.6+3.8=9.4-3.6= 3.6+6.8= 5.6+4.7=6.5-5.7= 4.7+1.8= 9.4-3.8= 8.4-3.7= 2.7+6.7= 9.5-7.9= 3.8+2.7= 3.8+ 4.5= 3.6+5.8= 5.7-3.4=8.4-2.8= 3.7+6.8=

2.7+1 3.1= 32.4-10.2= 7.32+1.47= 1.46+0.32= 6.3+0.6= 6.5-3.4= 12.05-0.79= 10-0.73= 2.74+7.26= 78.5-25.65= 12.8+26.5= 4.3+2.3= 5.2-1.4= 11.8+3.7= 10-2.8= 7.6+5.8= 3 .2+2.5= 5.8+16.47= 23-9.53= 41.2-17.64=

4.95+6.05= 7.45+ 5.95= 3.14+5.72= 4.8-2.8= 1.3+ 2.5= 3.11+2.22= 26.2-13.1= 12.3+11.2= 35.8-13.3= 25.2-21.6= 1.45+0.4= 3.16+0.23= 1.45-0.4= 51.5-26.5= 45.2-33.4= 38-33.4=

4.3小数加减法的简便计算练习题及答案

第3课时小数加减法的简便计算 开心预习新课,轻松搞定基础。 1. 你能用简便方法口算下列各题吗? 28+145+72=156-36-14=219-(19+25)= 49+37+63= 54+26+46= 113+32+67= 重难疑点,一网打尽。 2. 算一算,比一比。 (1)6.28+13.75+3.72 (2)42.5-16.12-5.88 (3)45.6-(15.6+12.72) 13.75+(6.28+3.72) 42.5-(16.12+5.88) 45.6-15.6-12.72 3. 王芳带了15.6元钱,买一枝钢笔用去6.4元,买一瓶墨水用去3.6元。还剩多少元? 源于教材、宽于教材、拓展探究显身手。 4. 在下面的里填上合适的运算符号,在□里填上合适的数。 (1)78.6-35.47-14.53=78.6(□□) (2)2.7+15.32+4.68+17.3=(2.7□)(15.32□) (3)25.63-(1.63+7.85)=25.63□□ 5. 用简便方法计算。 3.54+27.5+ 4.46 3 5.7+4.89-5.7 43.8-12.45-17.55 2.36+0.67+0.64+3.33 6. 爸爸星期天上街买菜,买肉用去12.44元,买鱼用去 7.6元,买蔬菜用去7.56元。爸爸买菜共用去多少元钱?

第3课时 1. 245 106 175 149 126 212 2. (1)2 3.75 23.75 (2)20.5 20.5 (3)17.28 17.28 3. 15.6-6.4-3.6=5.6(元) 4. (1)78.6-(3 5.47+14.53) (2)(2.7+17.3)+(15.32+4.68) (3)25.63-1.63-7.85 5. 35.5 34.89 13.8 7 6. 2 7.6元

43小数加减法的简便计算练习题及答案

43小数加减法的简便计算练习题及答案五年级数学简便计算练习卷 下面各题怎样算简便就怎样算。 (1)小数加减法计算 6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89) 4.02+ 5.4+0.98 5.17 3.68+7.56-2.68 7.85 3.82+2.9+0.18+9.1 9.6 5.27+2.86-0.66+1.63 13.35 66.86-8.66-1.34 36.8 25.48-(9.4-0.52) 3.9

-1.8-3.213.75+2.34-0.85+4.6635.6+4.8-3.6 7.14-4.68+2.65 73.8-3.9-6.1 32-4.1+6.1-5.9 15.02-6.8-1.02 -(3.75+6.48) -1.8-15.6-7.2 -0.53-2.47 -1.64-13.8-5.36 +4.9-0.9 32+4.9-0.9 146.5-(23+46.5) 9.43-(6.28-1.57) 4.8+8.63+ 5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+ 3.6+1.98 0.134+2.66+0.8661.27+3.9+0.73+16.1 7.5+4.9-6.5 3.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.55 3.25+1.79-0.59+1.7523.4-0.8-13.4-7.2 3.2+0.36+ 4.8+1.64 小数加减法的混合运算 一、填空。

(完整版)三年级小数加减法竖式计算题库

3.64-2.58= 6.52-3.44=5.48-3.25= 4.8+18.9= 15.31+13.51= 9.03-8.57= 5.5+4.5= 3.27-2.49= 11.65-7.39= 19.01-7.99=10.3+58.7= 8.03-4.56= 8.25+1.55= 9.43-9.05= 1.75+ 2.08= 4.28- 3.37= 4.17+2.53= 5.07- 0.98=7.3-2.25= 3.8+3.54= 5.67-0.73= 13.18+5.27= 2.小数数位不同的加减法 26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97=3.05-2.9= 3.1-2.07= 7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78= 62.1-17.07=75.6-3.55= 10.1-0.55= 5.67-0.845= 0.506-0.19= 11.04-7.3= 1.4-0.405= 1.4-0.405= 3.906+0.66= 43.5-27.34= 15.98-3.9=5.94+10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25= 1/ 4

3.整数与小数的加减法10+10.1= 27+8.03=26+7.98= 13.99+1=7.88+2 = 3.57+3=35.09-11= 96.85-85=28-3.56= 10-0.81= 10-0.36= 20-0.92= 8-7.089= 45.45-45= 95-9.85= 20-9.42=10-0.41= 45-0.45= 4.小数加减 5.03-2.5= 22.8-5.23= 23.66+4.34= 3.52-4.66= 5.6-0.81= 15.9+3.26=67.2+41.5= 50-28.5=27.38+4.83= 26.75+2.83= 10.75+0.4= 16.23+8.92= 13.79-9.653= 1.5+0.68= 72.8-8.6= 5.16+7.89= 15.98-3.9= 5.07+6.13=3.64-2.58= 6.52-3.44= 15.31+13.51= 7.51+0.49= 5.5+4.5= 3.27-2.49= 11.65-7.39= 19.01-7.99=5.48-3.25= 4.8+18.9=4.17+2.53= 5.07-0.98= 10.3+58.7= 8.03-4.56= 9.03-8.57= 4.13+2.24= 8.25+1.55= 9.43-9.05=

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