7/15+0.37×2/7÷(13/5-1.25)计算过程?
1个回答
2020-02-24
展开全部
7/15+0.37×2/7÷(13/5-1.25)
=7/15+37/100x2/7÷(13/5-5/4)
=7/15+37/350÷27/20
=7/15+74/945
=441/945+74/945
=515/945
=103/189
=7/15+37/100x2/7÷(13/5-5/4)
=7/15+37/350÷27/20
=7/15+74/945
=441/945+74/945
=515/945
=103/189
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