巧用“可疑点”，妙解最值问题——简解一道“北约联盟”试题引发的思考

巧用“可疑点”，妙解最值问题——简解一道“北约联盟”试题引发的思考

SHU XUE JIAO XUE ›› 2014, Vol. 1 ›› Issue (10) : 38-40.

SHU XUE JIAO XUE ›› 2014, Vol. 1 ›› Issue (10) : 38-40.

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