题目内容
| (-1)(-2)-(-3)(-4)-(-5)(-6)-(-7)(-8) |
| (-1)(-2)-(-2)(-3)-(-3)(-4)-(-4)(-5) |
原式=
=
=
.
| 2-12-30-56 |
| 2-6-12-20 |
| -96 |
| -36 |
| 8 |
| 3 |
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相关题目
题目内容
| (-1)(-2)-(-3)(-4)-(-5)(-6)-(-7)(-8) |
| (-1)(-2)-(-2)(-3)-(-3)(-4)-(-4)(-5) |
| 2-12-30-56 |
| 2-6-12-20 |
| -96 |
| -36 |
| 8 |
| 3 |