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标题: 看不懂题OG-16 [打印本页]

作者: greatvampires    时间: 2007-3-17 07:47     标题: 看不懂题OG-16

16. What is the combined area, in square inches, of the front and back of a rectangular sheet of paper measuring 8 1/2inches by 11 inches?

tks!


作者: liuxiaolan89    时间: 2007-3-17 21:00

个人感觉是说一张纸的正反面吧...然后用给的数据相乘,再多乘个2




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