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If S is the product of the integers from 100 to 200,inclusive,一道GMAT数学题.
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 if
人气:157 ℃ 时间:2020-02-05 05:30:23
解答
t=201s s=t/201
1/s+1/t
=1/(t/201)+1/t
=201/t+1/t
=202/t
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