练习题一
11+23= 28+7= 14+10= 17-6= 8+19= 2+30= 12+11= 7+24= 27+7= 7+13= 11-5= 22-2= 35-3= 7+25= 29-5= 10+13= 15+28= 15+20= 3+20= 14+34= 6+19=
43-7=
44-6=
23+6=
30+19=
9+16=
4+22=
11+34=
26+9=
15-6=
28-2=
15+3=
3+13=
42-3=
3+45=
33-4=
6+11=
13+24=
15+19=
2+46=
43-8=
30+1=
24+11=
28+14=
25-4=
22+20=
23+4=
30+4=
14+32=
1+46=
36-5=
3+11=
8+2=
30-3=
2+39=
42-2=
2+25=
7+15=
13+18=
19-5=
29+9=
11+4=
25-7=
6+20=
9+25=
40+2=
9+20=
24+1=
28+6=
3+42=
24+2=
38+7=
34+9=
22+15=
9+3=
6+38=
1+32=
36+5=
6+13=
27+3=
49-4=
29+19=
30+18=
17-8=
32+4=
39-2=
35+8=
4+23=
37+7=
24+8=
17+31=
13+34=
8+22=
3+7=
26-5=
15+4=
3+43=
7+20=
24+12=
20+18=
练习题二
19-6= 46-8= 27+22= 4+44= 8+3= 13+9= 24+9= 19+28= 38+12= 7+2= 11-4= 21+9= 18-2= 21+4= 27-3= 9+7= 47-3= 8+24= 12-3= 19+1=
38+8=
14+24=
9+38=
13+1=
13-1=
39+5=
17+14=
10+26=
32+13=
23+20=
13-9=
18+8=
8+26=
20+11=
14-8=
14+28=
47-5=
25+18=
5+37=
26+20=
14+27=
42-5=
33-1=
44-9=
2+38=
14+12=
13-5=
37-6=
18+29=
5+21=
48-4=
13+20=
17+19=
5+6=
29+10=
12-5=
23-8=
18+16=
18+11=
20+19=
12+10=
17+8=
24-6=
14-5=
42+3=
2+28=
9+23=
25+19=
15+35=
7+42=
33-2=
32-7=
9+34=
6+24=
33-6=
14+5=
13+7=
8+37=
22+28=
2+35=
39+6=
44-4=
26+11=
12+22=
15+34=
18-5=
10+18=
49-7=
22+19=
47-9=
21+25=
1+6=
4+31=
30+2=
38+11=
练习题三
24-2= 4+19= 32-8= 20+25= 26+20= 34-5= 17+20= 3+2=
6+32= 14+2= 16-9= 15-7= 2+43= 36+6= 1+17= 13+30= 36+7= 32+14= 5+33= 35+2=
26+22=
35+7=
34+5=
2+24=
17+25=
1+42=
25+17=
17+4=
21+29=
15-9=
13+28=
21+4=
9+32=
33+13=
12+17=
33+5=
15+2=
14+20=
18-9=
38+2=
28-2=
2+2=
31+1=
25+14=
24-8=
4+33=
38-9=
23+26=
14-7=
16-3=
10+32=
12+1=
3+17=
30+18=
4+39=
41+9=
29-5=
33-5=
20+3=
49-1=
12+2=
5+12=
7+8=
36-1=
14+12=
8+41=
2+48=
24+7=
2+22=
1+39=
22+4=
14+11=
6+26=
14+16=
6+13=
3+12=
8+10=
26+21=
21-1=
12+10=
36+13=
1+3=
29+2=
15+4=
29+17=
47+1=
22+28=
19+24=
29+21=
2+41=
31+12=
3+21=
39+6=
38-7=
20+30=
练习题四
11+22= 31+16= 16+10= 34+7= 36+4= 16+7= 14-8= 12+20= 17+26= 30-2= 35+5= 15+12= 17+13= 10+15= 8+42= 27+21= 14+29= 45-9= 46+1= 5+35=
24+2=
12+9=
29+1=
11+7=
28+20=
31+8=
13-5=
2+33=
3+29=
16+2=
20+16=
16+31=
40+7=
41-1=
42+1=
11+31=
30+10=
6+8=
15+7=
8+31=
19+25=
7+5=
35-7=
14-3=
41-6=
14+15=
3+15=
3+22=
14+18=
26+19=
19+31=
33-7=
9+12=
30+16=
10+36=
18+1=
21+8=
7+27=
5+29=
42+6=
32+9=
18+21=
3+7=
9+16=
4+4=
22+21=
21+17=
17+23=
19-6=
16+8=
47-5=
21+9=
13+22=
25+18=
14-5=
3+46=
18-5=
7+24=
16+24=
9+28=
7+42=
35-5=
16+20=
23+15=
3+4=
21+13=
12+15=
19+16=
4+30=
23+6=
40-2=
34-2=
42+8=
49-6=
21+21=
练习题五
14-2= 22+20= 13-8= 12-6= 33+2= 13+27= 7+39= 11-7= 36+12= 24-8= 12-4= 32+11= 6+7= 10+29= 22+22= 6+33= 20+4= 35-9= 18+23= 12+24=
12-7=
20+23=
42-9=
20-8=
19+21=
47-8=
15+30=
33-2=
28+16=
27+4=
15+3=
19+28=
17+33=
22+12=
2+38=
36+11=
39-7=
12+22=
28-8=
5+41=
2+28=
3+30=
2+7=
14+30=
4+44=
16+5=
38-6=
23+9=
1+47=
4+43=
18+19=
9+3=
28-4=
31+11=
47+2=
3+36=
44-1=
17-5=
10+38=
15+29=
4+17=
12+20=
7+34=
40-1=
8+31=
12+1=
31-4=
23-9=
21+6=
17-9=
15+14=
39+8=
24+8=
46+2=
29+13=
15+8=
29+2=
12+11=
3+6=
3+20=
47-3=
2+36=
24-1=
2+35=
2+39=
21-5=
46-8=
6+19=
49-5=
38+3=
16+1=
2+27=
34-1=
14+32=
3+15=
练习题六
42+2= 13+17= 4+42= 2+42= 14-7= 35+13= 27-4= 17+24= 8+29= 47-2= 8+32= 41+5= 7+37= 18+11= 3+32= 26+6= 39-3= 22+23= 4+20= 13+34=
8+15=
18+1=
1+21=
22+26=
23+18=
27+12=
16+10=
12+16=
19+17=
4+5=
1+43=
8+21=
31+3=
11+32=
10+13=
13+22=
4+33=
9+31=
6+14=
16+25=
7+31=
23-1=
40-9=
23-8=
1+20=
33+10=
28+7=
15-3=
23+8=
8+38=
5+27=
18-9=
18-8=
12+18=
6+38=
3+41=
22+21=
30+7=
18+29=
13+28=
21+20=
14+25=
16+8=
16+20=
16+33=
20+1=
45-6=
40-3=
18+28=
7+11=
1+28=
37+6=
12+14=
42+5=
39-9=
2+29=
19+8=
31-9=
26+11=
9+26=
25-3=
15-6=
5+32=
34+5=
11+27=
28+4=
27+13=
32+8=
15+5=
28+6=
25+6=
23+1=
7+40=
22+27=
19+14=
练习题七
34+3= 14+11= 1+13= 24-5= 17-8= 4+26= 42+6= 23+14= 10+24= 15+18= 5+27= 11-5= 14+22= 15+15= 42+8= 22-2= 22+24= 3+21= 3+19= 11+28=
5+45=
41-6=
8+11=
36+5=
14+9=
5+20=
4+7=
2+14=
12+18=
26+16=
20+10=
19+4=
15+33=
18+11=
28+21=
1+24=
15-7=
25+5=
49-8=
13+37=
1+47=
1+31=
6+35=
31+3=
23+1=
39-1=
23+13=
17+30=
26+6=
37+9=
12+32=
32+9=
34-1=
20-7=
37+7=
29-5=
8+15=
39+9=
21+11=
1+42=
38-1=
26-5=
17+21=
29+8=
13+33=
22+26=
4+2=
24+10=
13+11=
7+28=
1+5=
12+21=
2+3=
46-2=
25-1=
1+23=
21+20=
10+27=
29-8=
34+2=
22-7=
30-6=
35+14=
46-7=
25+4=
30-3=
16-1=
38-3=
3+36=
32-4=
18-7=
25-7=
22+11=
2+37=
18+16=
练习题八
34+11= 23+2= 22+15= 5+32= 4+16= 15-9= 36+12= 8+28= 18+20= 11-7= 35+1= 6+34= 6+13= 13+25= 45-7= 21+26= 31-8= 15-2= 20+8= 7+36= 19+24=
29-1=
39+3=
35+11=
3+29=
30+15=
18+10=
28+7=
44-1=
24+23=
21+10=
23+16=
15+1=
10+6=
28+22=
28-1=
18-8=
21+25=
27-8=
1+18=
17-4=
13+5=
12-7=
2+2=
40-5=
10+3=
1+16=
6+10=
31+10=
22+25=
33+10=
19+27=
9+19=
27-3=
13+15=
18+22=
33-5=
24+17=
21+3=
20+21=
8+2=
22+2=
27+21=
41-1=
25+1=
19+15=
45+1=
44+6=
18+23=
7+29=
17+4=
3+24=
15+2=
35+9=
22+6=
21+12=
24+16=
39-8=
13+36=
8+14=
12+34=
14+32=
45+3=
6+1=
40+3=
26+21=
19+9=
37+11=
8+37=
47-2=
11+12=
10+11=
34+6=
4+24=
21-2=
45-1=
22-6=
15-6=
15+11=
49-3=
练习题九
46+3= 4+38= 47-2= 6+2= 19+11= 13+36= 37+10= 22+9= 23+25= 23-2= 7+5= 41-2= 14+15= 35+3= 11+7= 21+17= 5+37= 15+7= 1+30= 30+9=
26+11=
11-1=
22+2=
36-5=
9+35=
16-2=
9+22=
17+8=
12+22=
19+14=
24+3=
31-2=
36-1=
6+40=
1+29=
44-1=
45-2=
1+10=
16+21=
33+12=
48-6=
45+4=
16+4=
30+2=
12-3=
18-2=
9+18=
1+4=
2+34=
14+14=
36-8=
34-3=
31+12=
9+32=
16+18=
40-5=
17+15=
18+30=
10+26=
13-4=
26+19=
30+20=
19+16=
33+9=
14+8=
13+9=
22+13=
14+16=
24+15=
23-4=
10+28=
8+29=
4+42=
39-6=
21+16=
6+24=
38-2=
30-9=
13+1=
26+24=
11+10=
20+20=
23+21=
43-1=
8+23=
42+7=
20+3=
2+6=
26+6=
5+26=
3+13=
8+6=
1+39=
15-5=
19+9=
练习题十
14+24= 27+9= 42-1= 11+19= 9+29= 3+40= 26+22= 35+11= 11+4= 32-4= 16+27= 9+27= 14+9= 7+35= 15+10= 2+3= 13+29= 19-2= 41-5= 44-5=
4+28=
18+2=
33+10=
20+23=
13+12=
29-7=
20+13=
11+35=
28+11=
13+33=
37-8=
37+7=
12+3=
29+20=
5+43=
20-7=
23+5=
22+16=
28+17=
11+26=
45-5=
41+2=
24-5=
18+19=
34+13=
13+4=
36+7=
4+1=
1+1=
5+38=
15-1=
41-4=
21-4=
22-3=
45+1=
17+6=
12+11=
34-2=
5+5=
1+3=
28-6=
13+17=
27+23=
17+11=
12+37=
26-1=
33-1=
35-1=
12+6=
8+39=
29-3=
13+24=
30+12=
27+2=
3+35=
8+26=
15+9=
40+9=
7+14=
29+13=
24+8=
17+5=
8+13=
47-4=
10+37=
17+9=
12+9=
3+14=
19+22=
9+28=
34+10=
24+26=
1+22=
14-7=
17+3=
练习题十一
24-8= 31-2= 8+12= 17-4= 21+14= 27+4= 5+33= 4+18= 44-8= 9+26= 45-1= 6+13= 40-7= 21+3= 36-7= 32+3= 12+12= 2+48= 47-8= 40-8=
17-9=
16+14=
29-1=
48-9=
33-9=
19-4=
28+9=
2+9=
17-5=
9+30=
39-8=
40-3=
46-7=
24+3=
14+18=
9+32=
10+14=
15+10=
13+34=
15+20=
14+22=
15+9=
48-5=
13+36=
4+26=
6+43=
35+11=
46-9=
33+15=
6+33=
40-1=
4+33=
23+23=
16+15=
3+41=
11+5=
41-3=
31+6=
28+8=
2+37=
3+31=
30-2=
27+7=
12+28=
14+8=
18+22=
7+19=
11-7=
29+17=
9+21=
4+43=
42+6=
1+25=
40+1=
32-4=
11+6=
19+8=
23+1=
25+9=
20+9=
3+9=
35+13=
29+3=
12+38=
26+24=
9+31=
23-6=
17+9=
17+2=
6+36=
29+21=
6+2=
6+30=
16-5=
42-1=
练习题十二
33-3= 20+14= 49-2= 31-5= 11+4= 15+15= 16+19= 41+5= 13+3= 28+5= 46-4= 40-2= 26+8= 16-4= 41-5= 24-3= 34+9= 8+23= 39+7= 36+11=
48-7=
13+18=
20+6=
49-3=
11+37=
14+34=
1+26=
5+18=
7+23=
30+5=
20+3=
2+32=
39+5=
29-5=
7+42=
34+1=
42+8=
44+3=
4+42=
8+39=
40-9=
15-8=
26+12=
8+26=
4+13=
27+15=
37-2=
9+23=
2+29=
12+29=
48-4=
32-7=
17+28=
2+41=
31-6=
19+30=
7+17=
1+33=
9+37=
49-5=
34+14=
5+30=
19+1=
26+19=
7+24=
31+9=
6+22=
17+15=
21+4=
4+28=
30+12=
20+26=
22-4=
44-4=
11+39=
15+33=
44+1=
13+9=
7+32=
3+44=
6+18=
27+20=
5+23=
3+43=
2+44=
18+7=
39+4=
21+27=
17+31=
21-2=
13+21=
16+29=
23+14=
42-2=
11+10=
练习题十三
12+3= 11-5= 45+1= 13+17= 15-2= 16+1= 30+16= 1+13= 18+29= 1+14= 25-7= 4+26= 7+37= 19+29= 35+1= 12+7= 8+27= 11+25= 23+3= 1+24=
37+11=
15+11=
15+30=
13+4=
12+28=
19+23=
1+15=
4+42=
8+40=
8+21=
2+40=
32+16=
29+12=
33-3=
19+16=
4+20=
28+5=
20+27=
11+3=
11+14=
18+18=
27+16=
8+22=
25+15=
36+13=
40-1=
42-6=
2+23=
34-6=
16+23=
9+28=
7+43=
11+32=
14-3=
10+16=
5+28=
15+12=
6+33=
3+15=
6+40=
8+25=
4+37=
45+5=
19-2=
7+34=
25+6=
3+36=
42-9=
45-1=
13+16=
28+1=
35+6=
5+33=
45-5=
1+45=
20+12=
32+2=
21-7=
17+1=
32-5=
21-2=
7+15=
45+3=
16+3=
49-9=
13+9=
31+11=
20-3=
4+25=
31-4=
9+4=
49-4=
9+30=
18-5=
11+4=
练习题十四
6+35= 6+27= 14-1= 44+6= 34-2= 4+1= 13+23= 22+13= 13+10= 30+2= 29+7= 47-2= 12+34= 34-8= 19+7= 47-1= 15+21= 7+27= 29+5= 19-5= 26-7=
24+9=
7+41=
35+11=
34-4=
3+30=
9+40=
41+4=
5+4=
16+13=
21+29=
27+1=
18+6=
14+23=
28+16=
48-9=
32-3=
1+1=
30+7=
10+26=
6+11=
22+19=
4+7=
17+19=
18+23=
4+28=
9+15=
29-6=
12+6=
9+9=
30+1=
32+6=
4+22=
35+8=
9+35=
8+19=
13+36=
29+17=
24+19=
44-4=
7+22=
10+9=
36+10=
2+33=
32+12=
14+21=
21+27=
11+23=
24-7=
2+25=
16+34=
10+32=
37+7=
10+14=
3+28=
27+23=
29-4=
11+16=
26+19=
14+27=
20+10=
6+32=
39-9=
39+9=
25+1=
4+44=
20-5=
20+6=
37-5=
27-9=
31-7=
36-5=
18-7=
11-1=
22+16=
18+3=
26+13=
11+36=
12+13=
20+24=
练习题十五
10+14= 32+14= 3+4= 29+18= 7+16= 17+33= 1+25= 1+38= 18+5= 34+4= 20+20= 3+20= 23-7= 13+24= 41+7= 38-2= 38-5= 27+21= 35+14= 14+32= 25+19=
29-7=
3+23=
22+28=
9+13=
19+13=
29+10=
8+31=
17-4=
43-7=
21+8=
34+11=
1+29=
24+16=
15+2=
40-3=
40+9=
15+13=
45+2=
17-7=
15+14=
25+1=
23+7=
9+22=
42+8=
18+2=
5+37=
11+7=
22+18=
7+36=
35+13=
4+35=
46-4=
24+12=
6+38=
28+14=
19-4=
22+20=
20-7=
2+36=
42-9=
42-3=
3+29=
33-9=
33+11=
11+16=
17+15=
43+7=
30-8=
19+14=
23-9=
24+15=
6+44=
42+2=
23+4=
10+27=
35+3=
40-9=
4+6=
28+13=
28+17=
10+16=
10+20=
12+1=
37+3=
6+36=
20+7=
27-2=
3+28=
34-9=
23+20=
17+17=
1+42=
9+15=
14+12=
1+14=
44+5=
4+44=
28+3=
7+14=
练习题十六
11+13= 23-3= 19+17= 41-8= 37-2= 10+9= 48-9= 14-7= 9+26= 27-9= 38-4= 7+39= 11+24= 7+7= 34+16= 11+22= 42+1= 3+27= 22+11= 3+2=
18+23=
19+27=
5+12=
26+17=
8+20=
14+3=
38-7=
13+5=
21+21=
5+44=
49-7=
4+26=
3+18=
39-8=
9+28=
46+1=
25-8=
10+29=
6+42=
22+3=
5+25=
4+34=
5+42=
30+15=
43+1=
20-5=
35+5=
38-1=
37+8=
23+11=
17+5=
33+6=
13+34=
29+4=
33-2=
27+6=
22+13=
45-1=
47+3=
1+45=
21+25=
37+2=
42+4=
12+6=
10+33=
9+38=
23-4=
5+36=
24+24=
4+27=
8+12=
10+31=
43+4=
9+5=
32-9=
12+37=
9+8=
5+4=
26+15=
45-9=
14+16=
1+3=
1+26=
1+27=
7+22=
10+5=
4+25=
39+6=
26+16=
25+6=
21+13=
16+12=
19-9=
41-2=
13+10=
练习题十七
17-8= 17+3= 3+15= 22+19= 23+9= 3+27= 19+10= 44+6= 28-7= 8+36= 19-7= 6+38= 16+21= 29+14= 6+33= 1+26= 41+3= 23+11= 19+3= 7+31=
22+6=
24+23=
27+18=
12+37=
19+26=
16+6=
15+10=
31+11=
29+2=
21+14=
19+15=
13+25=
17+8=
10+24=
1+8=
3+39=
2+23=
8+7=
12+3=
10+39=
7+42=
19+1=
47+2=
20+5=
16-1=
27+13=
31-1=
3+14=
19+8=
25+1=
4+5=
23-7=
1+21=
6+24=
25+24=
9+11=
19+27=
2+8=
23+24=
7+38=
43+4=
13+17=
18+21=
3+22=
13+21=
23+23=
10+9=
28+3=
6+16=
29+9=
3+26=
20+7=
23+3=
26+18=
48-2=
29-1=
13+30=
8+33=
11-5=
12+14=
7+19=
21-1=
25+5=
13+35=
40+9=
30-4=
15+3=
5+40=
19+21=
5+37=
17-7=
10+1=
36+1=
1+23=
5+45=
练习题十八
47-9= 43-5= 39+2= 11+37= 5+39= 23+2= 18+22= 44-7= 19-8= 17+24= 30+3= 8+16= 28-8= 16+19= 13+3= 16-9= 24+14= 14+22= 41-4= 37+12=
36+4=
18+9=
23+22=
16-8=
16+5=
31+8=
21+28=
17+9=
8+27=
4+16=
11-9=
9+34=
19+11=
37-8=
34+11=
4+13=
43-6=
11+27=
39+11=
13+32=
26+11=
21+18=
21-3=
17-5=
26+5=
34+3=
7+37=
46-1=
14-1=
23-3=
34-7=
35-9=
23+25=
21+5=
36+11=
21+26=
15+1=
14-5=
35+12=
26-8=
20+27=
11+33=
14+9=
6+30=
13+1=
14+20=
33-1=
8+19=
23-5=
33+6=
28+21=
16+12=
30+17=
34+15=
17+23=
6+34=
12-1=
32+18=
28-9=
39-9=
1+25=
39+7=
39+8=
13-6=
4+39=
27+15=
34+1=
12+25=
44-1=
48-7=
43+1=
27+4=
28+6=
7+10=
27+7=
练习题十九
16-3= 33-1= 8+27= 4+42= 11+15= 13+30= 19+18= 14+4= 46-6= 27+14= 16-4= 28+2= 1+11= 14-6= 27+1= 35+6= 35+9= 7+3=
6+8= 2+21=
10+34=
19-4=
47-3=
18+20=
9+34=
1+7=
15+7=
22-3=
47+3=
21+27=
20-9=
17+18=
14+36=
4+18=
13+5=
9+1=
4+46=
2+15=
31+4=
6+34=
38+10=
23+12=
45+5=
9+22=
4+19=
5+21=
2+19=
20+9=
28+19=
1+31=
37+5=
17-1=
30-8=
2+10=
26+19=
23+24=
16+9=
48-4=
3+37=
15-9=
3+18=
4+11=
5+17=
28+21=
20+6=
35+1=
44-4=
4+39=
7+8=
10+26=
37+3=
42+1=
29+7=
21+12=
32-3=
1+13=
36+5=
15+18=
39+3=
19+27=
3+31=
25+18=
11+18=
16+17=
17+22=
33+8=
37-9=
8+28=
17-6=
26+5=
41-4=
18-3=
11-9=
30+3=
21+22=
练习题二十
9+32= 30+19= 5+2= 47-9= 31+9= 6+27= 3+7= 25+16= 22+11= 22+26= 12+2= 33+3= 47-7= 18+13= 12+18= 17+8= 49-1= 37-2= 16-1= 18+27= 27+17=
4+3=
28+16=
2+12=
13+29=
23-2=
23+13=
40+10=
16+15=
4+16=
27+18=
34-1=
21+4=
25+8=
8+30=
18+12=
19+30=
38+12=
5+37=
34-2=
4+37=
30+18=
20+12=
39+9=
16+14=
20+19=
24+1=
36-3=
8+11=
35-9=
29+21=
8+6=
25-5=
30+17=
24+9=
19+7=
4+2=
17+17=
4+23=
49-6=
4+5=
13+28=
2+4=
1+28=
29+1=
6+13=
4+7=
14+34=
6+10=
18+23=
46-9=
13-7=
31+11=
40-9=
16+16=
6+28=
48-2=
9+26=
29+3=
20+18=
11-3=
17+23=
22+28=
40+9=
36-4=
9+15=
42+4=
22+18=
24-1=
7+19=
46+4=
38+4=
32+18=
33+13=
5+22=
41-3=
44+1=
27+2=
23+3=
36+3=
1 9 3 7 3 6 8 2 4 3 5 8 +7 1 +5 7 + 4 7 -7 6 -1 4 -2 9 5 7 7 1 1 1 9 5 2 9 9 6 -1 8 -5 4 +8 9 -4 9 +4 9 -4 7 5 8 5 2 2 9 1 7 3 3 6 2 -2 9 +2 9 +4 5 +5 6 +5 8 +2 8 7 2 6 9 7 1 2 6 4 7 4 3 -6 5 +2 7 +1 9 -1 9 -3 8 -1 8 5 8 1 3 6 8 9 7 5 9 9 8 -3 9 +6 7 -3 9 -5 8 +1 5 -4 9 5 6 1 8 6 1 6 3 1 3 9 4 -3 9 +7 4 -2 2 -2 8 +3 8 -3 9 4 2 2 7 9 7 9 3 6 1 4 6 -2 3 -1 8 - 5 8 -2 8 -2 8 +1 5
3 2 3 8 9 4 6 1 1 1 2 7 -1 8 + 5 1 - 6 6 +2 9 +6 9 +6 6 5 7 4 4 6 1 9 7 7 8 3 2 -2 8 -2 9 +1 9 -1 8 -6 9 +4 9 1 9 5 7 7 7 6 9 7 7 2 2 +5 9 -2 8 -1 9 +1 7 -6 8 +4 6 5 8 4 2 2 5 6 3 6 6 9 8 +2 9 +2 9 +6 8 +1 9 +2 6 -6 9 4 4 3 3 7 1 7 3 3 9 2 9 +2 9 +3 9 -6 4 - 5 4 +3 3 +5 7 4 3 4 8 8 7 8 3 1 9 9 4 -1 5 +2 2 -3 8 - 3 5 + 6 3 -2 7 2 6 4 6 2 1 7 5 5 5 5 7 +6 4 -2 7 -1 2 - 3 9 --3 8 +3 3
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= 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= 3.整数与小数的加减法 10+10.1= 27+8.03= 26+7.98= 13.99+1=
50以内口算练习一 姓名日期分数 47-10= 42-3= 30-24= 36-18= 17-9= 29-13= 42-14= 23-14= 11-2= 14-10= 24+18= 25+17= 32+9= 7+25= 18+26= 44-6= 32-15= 41-25= 33-28 35-26= 7+17= 9+29= 39+6= 8+25= 38+9= 21-15= 42-36= 34-19= 46-9= 45-8= 40+7= 16+16= 18+18= 19+30= 17+27= 14-8= 25-6= 46-9= 27-18= 48-29= 9+19= 7+25= 8+36= 5+39= 43-8= 17-10= 36-10= 46-20= 36-30= 46-40=
50以内口算练习二 姓名日期分数 _____ 10+40= 10+20= 10+30= 19+24= 17+25= 20-10= 29-1= 39-2= 49-3= 49-14= 28-15= 30-16= 38-27= 48-38= 28-9= 27-15= 37-26= 47-7= 37-28= 27-19= 26-2= 16-3= 36-4= 46-5= 36-6= 16-10= 35-1= 45-20= 35-30= 25-4= 20+7= 22+8= 24+9= 25+10= 28+11= 15-10= 44-18= 40-22= 34-13= 24-6= 12+16= 13+17= 31+18= 21+19= 25+20= 23-15= 39-26= 40-17= 49-18= 49-29=
小学生50以内加减法口算练习题 姓名:------------------ 时间:------------- 25+13= 28+20= 39-18= 40-17= 25+24= 48-19= 19+22= 37+11= 29-14= 44-20= 22+11= 38+12= 20+19= 41+7= 38+6= 49-9= 48-11= 32+10= 3+40= 6+24= 20+19= 11+19= 11+34= 10+29= 10+36= 1+16= 1+36= 1+44= 49-8= 48-17= 40+3= 40+9= 43-21= 44-17= 40+2= 36+8= 34+11= 36-18= 36+6= 37+9= 38-14= 34+9= 34-7= 34+11= 34+4= 35+15= 35-6= 30+20= 30-7= 30+13=
50以内加减法口算练习题(二) 姓名:------------------ 时间:------------- 21+18= 21+27= 21+19= 21-11= 19-19= 19+20= 19+28= 17+26= 17+30= 17+33= 16+40= 16+39= 16-14= 15+34= 15+29= 11+38= 49-40= 49-9= 49+1= 48-41= 48-19= 48-17= 48-23= 47+2= 47+0= 47-13= 47-9= 46+3= 46-18= 46-11= 46+0= 45+4= 45-3= 45+1= 45-22= 44+6= 44+1= 44-16= 44-24= 44-30= 44-37= 44-25= 44+3= 43-29= 43+4= 42-17= 42+8= 42-0= 42-41= 42-37=
37+46—54= 81—32—27= 42—34+57= 37+34—30=28+35+23=76+18—55= 72—44—14= 19+32+39= 46+29—37= 44—32+68= 78—24+39= 64+20-56= 27+46—54= 61—12—27= 52—34+47= 44—27+16= 60-49+28= 15—6+36= 73—40+20= 20+6—17=
18+4—15= 45+25+27= 90—56—25= 12+30—23= 56—42—8= 56+43—89= 23+65—18= 98—76—14= 63—48+26= 63+17—28= 63—28+17= 42+6—29= 40+19+12= 92-47-18= 37+34—14= 86—37—25= 69—20+37= 83—20—35= 67—8+16= 58—26+12=
65+28-46= 85-70+16= 60-13+27= 68-35+49= 76+18-56= 67-23+37= 69-4+23= 91-87+57= 65+28-46= 85-70+16= 60-13+27= 68-35+49= 15+68-39= 59+31-51= 82-69+77= 46-26+14= 81+13-44= 62-57+94= 64-39+13= 99-34+18=
1+99-68= 80+12-69= 97-36+32= 77+17-20= 77+15-54= 37+26-28= 77-64+67= 13-7+61= 17+80-47= 77+11-54= 59-33+46= 67+23-78= 30+45-69= 1+90-81= 47-35+63= 45-44+48= 98-35+27= 5+88-38= 38+34-59= 51+29-67=
小学数学一年级50以内加减法练习题 姓名:------------------ 时间:------------- 20题答对---------题 25+19= 28+20= 39-18= 40-17= 25+24= 48-19= 19+22= 37+11= 29-14= 44-20= 22+11= 38+12= 20+19= 41+7= 38+6= 49-9= 48-11= 32+10= 3+40= 6+24= 50以内加减法口算练习题(二) 姓名:------------------ 时间:------------- 20题答对---------题 20+19= 11+19= 11+34= 10+29= 10+36= 1+16= 1+36= 1+44= 49-8= 48-17= 40+3= 40+9= 43-21= 44-17= 40+2= 36+8= 34+11= 36-18= 36+6= 37+9= 50以内加减法口算练习题(三) 姓名:------------------ 时间:------------- 20题答对---------题 38-14= 34+9= 34-7= 34+11= 34+4= 35+15= 35-6= 30+20= 30-7= 30+13= 21+18= 21+27= 21+19= 21-11= 19-19= 19+20= 19+28= 17+26= 17+30= 17+33= 50以内加减法口算练习题(四) 姓名:------------------ 时间:------------- 20题答对---------题 16+40= 16+39= 16-14= 15+34= 15+29=
78—24+39 = 44 —27 + 16= 37+46 —54= 76+18 —55= 81 —32 —27= 72 —44 — 14= 64+20 —56 = 60 —49 + 28= 42—34+57= 27+46 —54= 37+34 —30 = 46+29 —37= 61 —12 — 27= 73—40+20= 19+32+39= 15—6+36=
78—24+39 = 44 —27 + 16= 28+35+23 = 44—32+68= 52 — 34+47= 20+6 —17=
63—28+17= 86 — 37 —25= 56 —42 — 8= 63+17 —28= 37+34 —14= 58—26+12= 18+4 —15= 56+43 —89= 23+65 —18= 42+6 — 29= 69—20+37= 90 — 56 —25= 98 — 76 — 14= 40+19+12= 83 —20 — 35= 12+30 —23= 63—48+26= 92 — 47 — 18 = 67—8+16= 45+25+27=
60-13+27= 46-26+14= 76+18-56= 85-70+16= 82-69+77= 99-34+18= 65+28-46= 85-70+16= 60-13+27= 68-35+49= 67-23+37= 69-4+23= 91-87+57= 65+28-46= 68-35+49= 15+68-39= 59+31-5 仁 81+13-44= 62-57+94= 64-39+13=
1+99-68= 37+26-28= 59-33+46= 45-44+48= 80+12-69= 77-64+67= 67+23-78= 98-35+27= 97-36+32= 13-7+61 = 30+45-69= 5+88-38= 77+17-20= 17+80-47= 1+90-81 = 38+34-59= 77+15-54= 77+11-54= 47-35+63= 51+29-67=
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
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=
50以内加减法口算练习(一) 姓名日期分数 45-19= 19+16= 50-15= 28-19= 27+19= 20+7= 22+8= 24+9= 25+10= 28+11= 10+40= 10+20= 10+30= 19+24= 17+25= 20-10= 29-1= 39-2= 49-3= 49-14= 37-19= 33-24= 36-18= 23+18= 40-16= 31-15= 40-4= 35+4= 49-6= 41-25= 15-10= 44-18= 40-22= 34-13= 24-6= 12+16= 13+17= 31+18= 21+19= 25+20= 23-15= 39-26= 40-17= 49-18= 49-29= 48-10= 47-18= 27-20= 37-30= 37-14= 23+17= 32+18= 43+3= 43+4= 43+5= 49-10= 38-12= 48-28= 38-33= 28-4= 30+16= 33+17= 44+4= 24+15= 40+6=
50以内加减法口算练习(二) 姓名日期分数 29-13= 42-14= 23-14= 11-2= 14-10= 24+18= 25+17= 32+9= 7+25= 18+26= 44-6= 32-15= 41-25= 33-28 35-26= 7+17= 9+29= 39+6= 8+25= 38+9= 21-15= 42-36= 34-19= 46-9= 45-8= 40+7= 16+16= 18+18= 19+30= 17+27= 14-8= 25-6= 46-9= 27-18= 48-29= 9+19= 7+25= 8+36= 5+39= 43-8= 17-10= 36-10= 46-20= 36-30= 46-40= 10+40= 10+20= 10+30= 19+24= 17+25= 20-10= 29-1= 39-2= 49-3= 49-14= 28-15= 30-16= 38-27= 48-38= 28-9= 28-15= 30-16= 38-27= 48-38= 28-9=
一、计算(请用竖式计算法) 1)995-775=2)985-807= 3)136+471=4)345+427= 5)622+190=6)437+270= 7)683+181=8)903-786= 9)81+519=10)525-412=
11)736-675=12)461+433=13)833-73 2= 14)961-600=15)718-608=16)188-14= 17)166+262=18)419+489=19)811-79 6= 20)230-177= 21)736-675=22)728-608= 23)833-732=24)962-600=25)429+489=
27)266+262= 29)822-796=30)230-177= 31)736-675=32)463+433= 33)833-732=34)963-600=
35)738-608=36)388-34= 37)366+262=38)439+489= 39)833-796=40)230-177= 41)736-675=42)464+433=
43)833-732=44)964-600= 45)748-608=46)488-44= 47)466+262=48)449+489= 49)844-796=50)230-177=
51)736-675=52)465+433= 53)833-732=54)965-600= 55)758-608=56)588-54= 57)566+262=58)459+489= 59)855-796=60)230-177=
6.58-0.37 = 6.58 - 0.37 ———— 0.9+0.41 = 0.90 + 0.41 ———— 9.93-4.5 = 9.93 - 4.50 ———— 0.845+0.457 = 0.845 + 0.457 ————6.3-0.81 = 6.30 - 0.81 ———— 0.88-0.67 = 0.88 - 0.67 ———— 8.96-3.39 = 8.96 - 3.39 ———— 0.966+0.507 = 0.966 + 0.507 ———— 4.71+0.13 = 4.71 + 0.13 ———— 0.93-0.68 = 0.93 - 0.68 ———— 9.15-2.5 = 9.15 - 2.50 ———— 0.836-0.43 = 0.836 - 0.430 ————
2.73 - 0.19 ———— 0.9-0.48 = 0.90 - 0.48 ———— 8.17+2 = 8.17 + 2.00 ———— 0.8+0.116 = 0.800 + 0.116 ———— 1.28 + 0.55 ———— 0.98+0.16 = 0.98 + 0.16 ———— 8.01-2.17 = 8.01 - 2.17 ———— 0.822+0.437 = 0.822 + 0.437 ———— 1.82 - 0.65 ———— 0.96-0.36 = 0.96 - 0.36 ———— 8.11+2.57 = 8.11 + 2.57 ———— 0.986+0.638 = 0.986 + 0.638 ————
3.34 + 0.26 ———— 0.9+0.11 = 0.90 + 0.11 ———— 8.99+2.49 = 8.99 + 2.49 ———— 0.836-0.298 = 0.836 - 0.298 ———— 3.77 + 0.81 ———— 0.82+0.33 = 0.82 + 0.33 ———— 9.34-3.89 = 9.34 - 3.89 ———— 0.924-0.6 = 0.924 - 0.600 ———— 9.95 - 0.65 ———— 0.85-0.63 = 0.85 - 0.63 ———— 9.35-4.49 = 9.35 - 4.49 ———— 0.886+0.607 = 0.886 + 0.607 ————
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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)
50以内口算练习一 日期用时分数 _____ 47-10= 42-3= 30-24= 4-10= 29-13= 42-14= 13-4= 11-2= 24+18= 25+17= 32+9= 7+25= 18+26= 44-6= 32-15= 41-25= 33-28 35-26= 7+17= 9+29= 39+6= 8+25= 38+9= 21-15= 42-36= 34-19= 46-9= 45-8=
40+7= 16+16= 18+18= 19+30= 17+27= 14-8= 25-6= 46-9= 50以内口算练习二 日期用时分数 _____ 27-18= 48-29= 9+19= 7+25= 8+36= 5+39= 43-8= 17-10= 36-10= 46-20= 36-30= 46-40= 10+40= 10+20= 10+30= 19+24= 17+25= 20-10= 29-1= 39-2= 49-3= 49-14= 28-15= 30-16= 38-27= 48-38= 28-9= 27-15=
37-26= 47-7= 37-28= 27-19= 26-2= 16-3= 36-4= 46-5= 50以内口算练习三 日期用时分数 _____ 36-6= 16-10= 35-1= 45-20= 35-30= 25-4= 20+7= 22+8= 24+9= 25+10= 28+11= 15-10= 44-18= 40-22= 34-3= 24-4= 12+16= 13+17= 31+18= 21+19= 25+20= 23-15= 39-26= 40-17= 49-18= 49-29= 20+12= 22+13=
学习必备欢迎下载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= 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= 75.6-3.55= 10.1-0.55= 5.94+10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25= 3.整数与小数的加减法 10+10.1= 27+8.03=
学习必备欢迎下载 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=
班级姓名分数47-10= 42-3= 30-24= 36-18 17-9= 29-13= 42-14= 23-14= 11-2= 14-10= 24+18= 25+17= 32+9= 7+25= 18+26= 44-6= 32-15= 41-25= 33-28 35-26= 7+17= 9+29= 39+6= 8+25= 38+9= 21-15= 42-36= 34-19= 46-9= 45-8= 40+7= 16+16= 18+18= 19+30= 17+27= 14-8= 25-6= 46-9= 27-18= 48-29= 9+19= 7+25= 8+36= 5+39= 43-8= 17-10= 36-10= 46-20= 36-30= 46-40= 10+40= 10+20= 10+30= 19+24= 17+25= 20-10= 29-1= 39-2= 49-3= 49-14= 28-15= 30-16= 38-27= 48-38= 28-9= 27-15= 37-26= 47-7= 37-28= 27-19= 26-2= 16-3= 36-4= 46-5= 36-6= 16-10= 35-1= 45-20= 35-30= 25-4= 20+7= 22+8= 24+9= 25+10= 28+11= 15-10= 44-18= 40-22= 34-13= 24-6= 12+16= 13+17= 31+18= 21+19= 25+20= 23-15= 39-26= 40-17= 49-18= 49-29=
班级姓名分数 _____ 20+12= 22+13= 24+14= 25+15= 26+16= 25-5= 35-6= 45-27= 35-18= 25-9= 48-10= 47-18= 27-20= 37-30= 37-14= 23+17= 32+18= 43+3= 43+4= 43+5= 49-10= 38-12= 48-28= 38-33= 28-4= 30+16= 33+17= 44+4= 24+15= 40+6= 33-25= 23-16= 43-17= 30-18= 32-9= 43+7= 42+8= 24+9= 34+10= 24+11= 43-10= 32-11= 42-20= 42-40= 32-5= 34+12= 24+13= 14+14= 24+15= 14+16= 41-12= 31-2= 41-30= 31-24= 21-5= 40-26= 25 +7= 24+17= 27+19= 45-28= 25-9= 33-14= 42-17= 31-6= 43-15= 26+9= 18+14= 28+15= 9+31= 41-27= 31-19= 32-8= 46-7= 33-6= 35-15= 26-7= 33-27= 27+14= 18+13= 37-16= 10+26= 9+25= 41-37= 26+10= 8+25= 19-8= 28+5= 29+15= 18+16= 17+14= 28+2= 34+7= 23+19= 32-8= 25+18 = 16-9= 33+6= 43-27= 35-6= 42-15=
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= 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=
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