题目内容
计算:-(-1)5+1
×1
÷(-
)2×
=______.
| 1 |
| 8 |
| 1 |
| 2 |
| 1 |
| 2 |
| 4 |
| 9 |
-(-1)5+1
×1
÷(-
)2×
,
=1+
×
÷
×
,
=1+
×
× 4×
,
=1+3,
=4.
| 1 |
| 8 |
| 1 |
| 2 |
| 1 |
| 2 |
| 4 |
| 9 |
=1+
| 9 |
| 8 |
| 3 |
| 2 |
| 1 |
| 4 |
| 4 |
| 9 |
=1+
| 9 |
| 8 |
| 3 |
| 2 |
| 4 |
| 9 |
=1+3,
=4.
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