4分之7减8分之5除以28分之35减10分之3 有括号吗?
=7/4-5/8÷35/28-3/10
=7/4-5/8X28/35-3/10
=7/4-5/8X4/5-3/10
=7/4-1/2-3/10
=35/20-10/20-6/20
=19/20
4分之7减8分之5除以28分之35减10分之3 有括号吗?
=7/4-5/8÷35/28-3/10
=7/4-5/8X28/35-3/10
=7/4-5/8X4/5-3/10
=7/4-1/2-3/10
=35/20-10/20-6/20
=19/20