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计算:(3又17分之13-3分之1)/3又17分之3
计算:(3又17分之3-3分之1)/3又17分之3
人气:463 ℃ 时间:2020-10-02 02:30:30
解答
﹙3又13/17-1/3﹚÷3又3/17
=﹙64/17-1/3﹚×17/54
=64/17×17/54-1/3×17/54
=32/27-17/162
=128/162-17/162
=111/162
=37/54.
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