有理数乘方练习题
班级: 学号: 姓名: 成绩: 一. 填空题(每空2分,共58分) 1.有理数乘方
180= =25 =?3)2( =31.0 =?4)10( =?2)2.0( =?2)3.0( =?2)2
1
1(
=?3)3
2
1( =?1)2009( =?8888)1( =?5555)1(
2. 有理数乘方
=?20)1( =?33 =?410 =??3)4(
=??2)2( =??2)53( =??4)10
1
( =?3)21(
3. 有理数的混合运算
=?+?1110)1()1( =?+?33)2(2 =???3
3)2(2
=???1110)1()1( =???33)21
(2 =???22)4
1(4
=?÷?)10()10(33 =?÷?)5()5(22 222)4(52????=
二. 计算题(每题3分,共42分)
1. 232)3
1(3)4(???? 2. )5()5()2(3
2?÷??? 3. 4)4(5)1(3100
÷?+?? 4. 82321)10()10(3??÷???
5. )21()2()2(4232?????÷?
6. 322)5
2
()54(10???÷?
7. []
224)3(271
1????? 8. 2)5(9
559)81(?÷?÷?
9. )3
1()6(2)32(2
2???÷?? 10. 53
143)3161(67÷??÷
11. 32)3
2()51()3141(58?÷?÷?? 12. )3.0()9.0()6()2(22
33?÷???????
13. ???????????+?)3(2)32(243)5( 14. 2232)64()2
1()2()2(4???????÷?