Question

lm giup em 60 61 thoi ah em xin day ah

Answer 1

Bài 60:

a) \(x^{10}:\left(-x\right)^8=x^{10}:x^8=x^2\)

b) \(\left(-x\right)^5:\left(-x\right)^3=\left(-x\right)^2=x^2\)

c) \(\left(-y\right)^5:\left(-y\right)^4=-y\)

Bài 61: 

a) \(5x^2y^4:10x^2y=\dfrac{1}{2}y^3\)

b) \(\dfrac{3}{4}x^3y^3:\left(-\dfrac{1}{2}x^2y^2\right)=-\dfrac{3}{2}xy\)

c) \(\left(-xy\right)^{10}:\left(-xy\right)^5=\left(-xy\right)^5=-x^5y^5\)