5.5*13.6-0.36*55怎样运用乘法分配律简便计算

问题描述:

5.5*13.6-0.36*55怎样运用乘法分配律简便计算

5.5*13.6-0.36*55
=5.5*13.6-3.6*5.5
=5.5*(13.6-3.6)
=5.5*10
=55