5/8除以{3/11x(2/3+1/4)}=?

问题描述:

5/8除以{3/11x(2/3+1/4)}=?

5/8除以{3/11x(2/3+1/4)}
=5/8÷(3/11x 11/12)
=5/8÷1/4
=5/2