一道数学题，求大牛指导

wgl1991 · 发表于 2011-7-19 16:35:30

17. The figure above shows the dimensions
of a rectangular box that is to be
completely wrapped with paper. If a
single sheet of paper is to be used
without patching, then the dimensions
of the paper could be
(A) 17 in by 25 in
(B) 21 in by 24 in
(C) 24 in by 12 in
(D) 24 in by 14 in
(E) 26 in by 14 in

wgl1991 · 发表于 2011-7-19 16:38:46

这道题有个图，是一个矩形，长20inches, 宽8inches, 高 2inches

iamBB · 发表于 2011-7-19 16:51:41

这盒子表面积432，超过这数的只有B吧~

一道数学题，求大牛指导

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