一道数学题的误解、正解与巧解分析

一道数学题的误解、正解与巧解分析

SHU XUE JIAO XUE ›› 2013, Vol. 1 ›› Issue (8) : 35-35.

SHU XUE JIAO XUE ›› 2013, Vol. 1 ›› Issue (8) : 35-35.

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