计算【（0.075+37/40）除以2/5-2/ - 知识问答

计算【（0.075+37/40）除以2/5-2/3-1.625】*8/25 3.24-2又3/25+3又1/15 3.

1个回答

1.
【（0.075+37/40）／﹙2/5﹚-2/3-1.625】×8/25
= ﹛2.5-2/3-1.625﹜×8/25
=﹙11/6-13/8﹚×8/25
=1/15
2.
3.24-53/25+46/15
=81/25-53/25+46/15
=314/75
=4又14/75
3.
1又4/17*（2又2/3-3/4）+17又11/12除以17/12
=21/17×﹙8/3-3/4﹚+215/12／﹙17/12﹚
=161/68+215/17
=1021/68
=15又1/68

相关问题