能简算要简算!1.(27/4-19/5)÷4/5 2.(14/29*29+58/9*29)*5/4

问题描述:

能简算要简算!1.(27/4-19/5)÷4/5 2.(14/29*29+58/9*29)*5/4

1.(27/4-19/5)÷4/5
=27/4×5/4-19/5×5/4
=135/16-19/4
=135/16-76/16
=59/16
2.(14/29*29+58/9*29)*5/4
=(14+58/9×29)×5/4
=14×5/4+58/9×29×5/4
=35/2+4205/18
=315/18+4205/18
=4520/18
=2260/9
此题(2)你检查一下你的题目是否正确?