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- 2011-5-24
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- 2012-9-12
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You could be right. I'm going to give the end of chapter questions a try and see..
what about the rest of the questions? Why are the numbers squared?
I looked over the chapter several times and I still don't see anywhere that they should be squared. Am I missing something? |
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发表于 2011-7-11 19:05
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