(4/9+3/9)÷(5/6-5/16)的计算

问题描述:

(4/9+3/9)÷(5/6-5/16)的计算

(4/9+3/9)÷(5/6-5/16)
=7/9÷÷(40/48-15/48)
=7/9÷25/48
=7/9×48/25
=112/75