问题标题:
用简便算法43*136/137+136*59/137+70*68/137=?
问题描述:
用简便算法
43*136/137+136*59/137+70*68/137=?
冀群心回答:
43*136/137136*59/13770*68/137=43*136/137136/137*5935*136/137=136/137*(435935)=136/137*137=136
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