Question

ai đó giúp tớ đc ko tớ cần gấp ;-;

Answer 1

a: \(A=-\dfrac{144}{9}x^2yz^2=-16x^2yz^2\)

b: \(B=\dfrac{4}{9}x^6y^2\cdot\dfrac{-9}{10}x^4y^2z=-\dfrac{2}{25}x^{10}y^4z\)

c: \(C=\dfrac{-9}{16}\cdot\dfrac{4}{3}x^3y^5=\dfrac{-3}{4}x^3y^5\)

d: \(D=x^2y^4\cdot\dfrac{-4}{5}x^2y^3=-\dfrac{4}{5}x^4y^7\)