Rút gọn phân thức sau:

\(\dfrac{3x^4+18x^3+27x^2}{x^3+5x^2+6x}\)

Rút gọn phân thức sau:

\(\dfrac{4x^2+4x+1-4y^2}{4x^2-4y^2-4y-1}\)

This is my family. He's my uncle and she's my …

a. aunt

b. father

c. grandpa

4. He's a … stylist

a. hair

b. eye

c. maker

3. I like to … music

a. do

b. listen

c. watch