请教一道数学题
请教一道数学题:What is the combined area, in square inches, of the front and back of a rectangular sheet of paper measuring 8.5 inches by 11 inches?
a.38 b.44 c.88 d.176 e.187
答案是e.187
请问题目是什么意思呀?谢谢! 问一张11inches*8.5inches的纸的前后两个面的面积是多少
11*8.5=93.5得出一个面的面积
93.5*2=187,得出两个面的面积 阿,原来就这意思啊。。。
谢谢解答!
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