主题: 9÷3(1+2)
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旧 Jun 20th, 2011, 12:22     #7
ChinaSmileJoe
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作者: hi13579 查看帖子
Like 9÷3(x+y)=9/3(x+y)
if x=1, y=2
then
9÷3(x+y)=9/3(1+2)=1 ？？

不知道，晕。


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