The product of two facing pages of a book is 992.Find the two pages numbers.
The product of two facing pages of a book is 992.Find the two pages numbers.
亲们,麻烦看到了就回答下吧,
亲们,麻烦看到了就回答下吧,
其他人气：838 ℃时间：2020-04-13 23:58:33
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两个相邻页面页数的乘积是992.找出这两个页数来.设页数1为x,则页数2必然为x+1.x (x + 1) = 992因为x必须是正整数,解得x = 31所以是第31和第32页. 为什么是31?根号992 = 31.5,介于31和32之间,所以就是这两个数了. 如...
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