

Thực hiện các phép tính sau:
a) [tex]\frac{-3}{2}(x-y)^{6}: \frac{3}{4}(x-y)^{3}[/tex]
b) [tex](5x^{4}-2x^{3}+x^{2}):2x^{2}[/tex]
c) [tex](xy^{2}+\frac{1}{3}x^{2}y^{2}+\frac{7}{2}x^{3}y):5xy[/tex]
a) [tex]\frac{-3}{2}(x-y)^{6}: \frac{3}{4}(x-y)^{3}[/tex]
b) [tex](5x^{4}-2x^{3}+x^{2}):2x^{2}[/tex]
c) [tex](xy^{2}+\frac{1}{3}x^{2}y^{2}+\frac{7}{2}x^{3}y):5xy[/tex]