3.6*8.78-3.6*1.56+2.78*3.6如何简便运算

问题描述:

3.6*8.78-3.6*1.56+2.78*3.6如何简便运算

3.6x(8.78-1.56+2.78)=
自己可以算了吧

3.6*(8.78-1.56+2.78)
=3.6*10
=36

3.6*8.78-3.6*1.56+2.78*3.6
=3.6×(8.78-1.56+2.78)
=3.6×10
=36