题目内容
(1-
)×(1-
)×(1-
)×…(1-
)=______．
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| 42 |
| 1 |
| 152 |
(1-
)×(1-
)×(1-
)×…(1-
)
=（1-
）×（1+
）×（1-
）×（1+
）×…×（1-
）×（1+
）
=
×
×
×
×
×…×
×
=
×
=
故答案为：
．
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| 42 |
| 1 |
| 152 |
=（1-
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 15 |
| 1 |
| 15 |
=
| 1 |
| 2 |
| 3 |
| 2 |
| 2 |
| 3 |
| 4 |
| 3 |
| 3 |
| 4 |
| 14 |
| 15 |
| 16 |
| 15 |
=
| 1 |
| 2 |
| 16 |
| 15 |
=
| 8 |
| 15 |
故答案为：
| 8 |
| 15 |
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