(4/5+1/4)÷7/3+7/10
问题描述:
(4/5+1/4)÷7/3+7/10
答
(4/5+1/4)÷7/3+7/10
=3/7+7/10
=51/70
(4/5+1/4)÷7/3+7/10
(4/5+1/4)÷7/3+7/10
=3/7+7/10
=51/70