3/8除以7+5/8乘以1/7 5/6乘以4/5+3/8除以1/4 简便运算
问题描述:
3/8除以7+5/8乘以1/7 5/6乘以4/5+3/8除以1/4 简便运算
答
3/8除以7+5/8乘以1/7
=(3/8+5/8)×1/7
=1/7
5/6乘以4/5+3/8除以1/4
=2/3+3/2
=13/6