4/5乘以7除以1/5乘以7简便算法
问题描述:
4/5乘以7除以1/5乘以7简便算法
答
[(4/5)*7]/[(1/5)*7]
=(4/5)/(1/5)
=4
4/5乘以7除以1/5乘以7简便算法
[(4/5)*7]/[(1/5)*7]
=(4/5)/(1/5)
=4