(-24)×(-1又3分之1+6分之5-8分之7)-1.45×6+3.95×6能简便就简便

题目

(-24)×(-1又3分之1+6分之5-8分之7)-1.45×6+3.95×6能简便就简便

答案

-24*（-4/3+5/6-7/8)-1.45*6+3.95*6
=(-24)*(-4/3)+(-24)*5/6+(-24）*（-7/8)-(1.45-3.95)*6
=32-20+21-(-2.5)*6
=33+15
=48