能简便计算简便计算,6又7分之4除以1有19分之9=多少
网友回答
6又7分之4除以1有19分之9
=48/7÷28/19
=48/7×19/28
=228/49
======以下答案可供参考======
供参考答案1:
7又2/9*1.1-6.81*9/97+68.1/(5又2/19)
=65/9*1.1-6.81*9/97+68.1*19/97
=71.5/9+6.81/97*(19-9)
=71.5/9+68.1/97
=(71.5*97+68.1*9)/(9*97)
=(6935.5+68.1)/873
=7003.6/873
=8.02245举个例子