问个换算提
a=(5/9)*(b-32)b=多少?
求换算过程,本人数学学的不好,请指教。
2010-02-21 20:26
2010-02-21 20:52

2010-02-21 21:33
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2010-02-24 00:01
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2010-02-25 22:17