题库搜索>问题求解PS-12362
If s is the product of the integers from 100 to 200, inclusive, and t is the product of the integers from 100 to 201, inclusive, what is 1/s + 1/t in terms of t?
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s等于从100连乘到200，t等于从100连乘到201，就是说，t等于s再乘一个
最后答案是要求用t表示的，因此我们把s用t表示，s=t/201
所以1/s=201/t
加上一个1/t 就等于 202/t
默默
先用1/S 表示1/T，再进行相加
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2018-05-13 02:13:27
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