5.7乘10.1的简便算法怎么作
问题描述:
5.7乘10.1的简便算法怎么作
答
5.7*10.1 = 5.7*(10+0.1) = 5.7*10+5.7*0.1 = 57+0.57 = 57.57
5.7乘10.1的简便算法怎么作
5.7*10.1 = 5.7*(10+0.1) = 5.7*10+5.7*0.1 = 57+0.57 = 57.57