题目内容
计算:(1)-(-3)3;(2)(-
)2;(3)(-
)3.
| 3 |
| 4 |
| 2 |
| 3 |
(1)-(-3)3=-(-33)=33=3×3×3=27.
(2)(-
)2=
×
=
.
(3)(-
)3=-(
×
×
)=-
.
(2)(-
| 3 |
| 4 |
| 3 |
| 4 |
| 3 |
| 4 |
| 9 |
| 16 |
(3)(-
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 8 |
| 27 |
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