3/8*2/7+5/7*5/8 简算
问题描述:
3/8*2/7+5/7*5/8 简算
答
3/8*2/7+5/7*5/8
=6/56+25/56
=31/56
3/8*2/7+5/7*5/8 简算
3/8*2/7+5/7*5/8
=6/56+25/56
=31/56