简 便 计 算 2.64乘51.9+264乘0.481

问题描述:

简 便 计 算 2.64乘51.9+264乘0.481

2.64*51.9+2.64*100*0.481
=2.64*51.9+2.64*48.1
=2.64*(51.9+48.1)
264