9分之5乘4分之3除9分之5乘4分之3
问题描述:
9分之5乘4分之3除9分之5乘4分之3
答
5/9×3/4÷5/9×3/4
=(5/9÷5/9)×(3/4×3/4)
=1×9/16
=9/16