$\frac{2a^5b^2}{a^2}$

$\frac{3m^4n^3}{n^2}$

$\frac{1.6p^6q^5}{pq}$

$\frac{2.8x^2y^2}{xy^3}$

$\frac{1}{4}a\ \ กับ\ \ \frac{4}{a}$

$3m^0n\ \ กับ\ \ 5mn$

$6pq\ \ กับ\ \ \frac{pq^2}{q^2}$

$\sqrt{3}x^3y^2\ \ กับ\ \ \sqrt{5}x^3y^2$

$-2a^3-4a^2b-3b$

$-2a^3+4a^2b-5b$

$-2a^3+4a^2b+5b$

$-2a^3-4a^2b+3b$

$-3x^3y^2+8xy^2-6y^2+12$

$-3x^3y^2+8xy^2-6y^2-4$

$-x^3y^2+4xy^2-6y^2-12$

$-x^3y^2+4xy^2-6y^2+4$

$-2x^3y+2xy^2+6xyz$

$-2x^3y+8xy^2-6xyz$

$2x^3y-8xy^2+6xyz$

$2x^3y-2xy^2-6xyz$

$-a^3+a^2b-4ab+4b^2$

$-2a^3+a^2b+4ab+4b^2$

$a^3+a^2b+4ab+4b^2$

$a^2b-2a^2-4ab-4b^2$

$3y^2-2x-4y$

$3y^2-2x+4y$

$3y^2+2x-4y$

$3y^2+2x+4y$

$\frac{2m^2n^3}{n^2}-\frac{3m^3n}{mn}$

$\frac{4m^3n^3}{2mn^2}-\frac{3m^3n}{m}$

$\frac{6m^2n^2}{2m}-\frac{4m^3n^2}{m^2}$

$\frac{5m^3n^3}{5mn}-\frac{6m^4n^3}{3m^2n}$