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在△ABC中,AB=15,BC=14,AC=13,求△ABC的面积. 某学习小组经过合作交流,给出了下面的解题思路,请你按照他们的解题思路完成解答过程.
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教案备课库《2016-2017学年福建师大二附中八年级(下)期中数学试卷》真题及答案
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