题目内容
计算:(
-1)(
-1)(
-1)…(
-1)(
-1)(
-1)=______.
| 1 |
| 100 |
| 1 |
| 99 |
| 1 |
| 98 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 2 |
∵(
-1)(
-1)(
-1)…(
-1)(
-1)(
-1)
=-
×(-
)×(-
)×…×(-
)
=-
.
故答案为:-
.
| 1 |
| 100 |
| 1 |
| 99 |
| 1 |
| 98 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 2 |
=-
| 99 |
| 100 |
| 98 |
| 99 |
| 97 |
| 98 |
| 1 |
| 2 |
=-
| 1 |
| 100 |
故答案为:-
| 1 |
| 100 |
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