(1+1/2)×(1-1/2)×(1+1/3)×(1-1/3)×(1+1/4)×(1-1/4)×…×(1+1/99)×(1-1/99)×(1+1/100)×(1-1/100)
(1+
)×(1-
)×(1+
)×(1-
)×(1+
)×(1-
)×…×(1+
)×(1-
)×(1+
)×(1-
)
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
99 |
1 |
99 |
1 |
100 |
1 |
100 |
数学人气:629 ℃时间:2019-08-17 12:35:50
优质解答
(1+12)×(1-12)×(1+13)×(1-13)×(1+14)×(1-14)×…×(1+199)×(1-199)×(1+1100)×(1-1100),=(1-12)×[(1+12)×(1-13)]×[(1+13)×(1-14)]×…×[(1+199)×(1-1100)]×(1+11...
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