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