（3x/2 √x/y - 2/5 √3/xy + 1/3 √xy/2 ) ÷ x/2 √ x/y

（3x/2 √x/y - 2/5 √3/xy + 1/3 √xy/2 ) ÷ x/2 √ x/y
=（3x/2|y| √xy - 2/5xy √3xy + 1/6 √2xy ) ÷ x/2|y| √ xy
=3x/2|y| √xy÷ x/2|y| √ xy - 2/5xy √3xy÷ x/2|y| √ xy + 1/6 √2xy ÷ x/2|y| √ xy
=3 - 4|y|/(5x2y) √3+|y|√2/(6x)