Question

1)спростить вираз ,
1) 0,4x2y ×(5xy5)2
2)(4а5b)2​

Answer 1

1) 0,4x2y ×(5xy5)2 =  0,4x2y ×(25xy)2 = 0,4x2y25xy2=40$x^{2} y^{2}$

2) (4а5b)2​ = (20ab)2=20ab2=40ab