简算:5/8*3/7*4/5
问题描述:
简算:5/8*3/7*4/5
答
5/8*3/7*4/5
=(5/8*4/5)*3/7
=1/2*3/7
=3/14
简算:5/8*3/7*4/5
5/8*3/7*4/5
=(5/8*4/5)*3/7
=1/2*3/7
=3/14