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标题: 请教一道费费数学 [打印本页]

作者: yaojianbin33    时间: 2006-7-19 07:11     标题: 请教一道费费数学

A box which is 20 inches long, 8 iches wide and 2 inches high is to be completely wrapped with paper. If a single sheet of paper is to used without patching, then the dimensions of the paper could be

A. 17*25

B. 21*24

C. 24*12

D. 24*14

E. 26*14

这道题见过几次了,但是连钱永强和费费也没有讲的很明白咯,谁能解释一下。(但是不要告诉我把各个选项乘起来去比较面积大小


作者: casualwalk    时间: 2006-7-20 06:58

ding !!!!!!




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