3 |
4 |
3 |
4 |
33 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
27 |
64 |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
27 |
64 |
33 |
4 |
1 |
4 |
27 |
4 |
A.23表示2×3的积 | ||||
B.任何一个有理数的偶次幂是正数 | ||||
C.-32与(-3)2互为相反数 | ||||
D.一个数的平方是
|
A.8.53×109-2.17×108 | B.8.53×1010-2.17×109 |
C.9.53×109-2.17×108 | D.9.53×1010-2.17×109 |
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