能簡算要簡算!1.(27/4-19/5)÷4/5 2.(14/29*29+58/9*29)*5/4

能簡算要簡算!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
此題(2)你檢查一下你的題目是否正確?