标题: 请教各位几道题 [打印本页]
作者: 员子宝宝 时间: 2008-2-1 09:20 标题: 请教各位几道题
1.what is the combined area ,in square inches,of the front and back of a recangular sheet of paper measuring 8.5 inches by 11 inches?这个og上的,课是看了解释还是不能理解!
作者: littlestoner 时间: 2008-2-1 11:15
能不能post一下整道题目和OG的解释?
作者: 员子宝宝 时间: 2008-2-1 11:44
题目就是上面的,选项是 a38 b44 c88 d176 e187
og的解释:
since for a rectangle (width)(length)=area,the combined area of the two sides of the sheet is 2(8.5)(11)=187
作者: qwrtfdse 时间: 2008-2-2 08:49
confused too
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