15.3*99+15.3有简便吗?怎么算

问题描述:

15.3*99+15.3有简便吗?怎么算

15.3*(99+1)=1530

15.3(99+1)=1530

15.3*99+15.3
=15.3*(99+1)
=15.3*100
=1530

15.3*(99+1)=153