题目内容
计算:-22-(-2)2=______;-1÷9×(-
)=______.
| 1 |
| 9 |
-22-(-2)2
=-4-4
=0;
-1÷9×(-
)
=-1×
×(-
)
=
.
故答案是:0,
.
=-4-4
=0;
-1÷9×(-
| 1 |
| 9 |
=-1×
| 1 |
| 9 |
| 1 |
| 9 |
=
| 1 |
| 81 |
故答案是:0,
| 1 |
| 81 |
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题目内容
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