计算题.....急...(1-1/2)×(1-1/3)×(1-1/4)×.×(1-1/99)×(1-1/100)要写过程
5个回答
(1-1/2)×(1-1/3)×(1-1/4)×.×(1-1/99)×(1-1/100)
=1/2×2/3×3/4×4/5×...×98/99×99/100 中间约分
=1/100
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