3.84*9.6 0.96*61.6用简便方法怎么计算
问题描述:
3.84*9.6 0.96*61.6用简便方法怎么计算
答
3.84*9.6=3.84(10-0.4)=38.4-15.36=30.04
0.96*61.6=(1-0.04)*61.6=61.6-2.464=61.6-2.47+0.006=59.136