Question

2.42除以四分之三+4.58乘以一又三分之一-4除以三简便运算怎么做啊?

Answer 1

2.42/(3/4)+4.58*(1+1/3)-4/3

=2.42*(3/4)+4.58*(4/3)-(4/3)

=(2.42+4.58-1)*(4/3)

=6*(4/3)

8