РОЗДІЛ 2. Раціональні вирази - Вправи 50 - 200 » 97

Скоротіть дріб: 1) (3x-3y)/6x = (3(x- y))/6x = (x- y)/2x; 2) (5x+5y)/10y = (5(x+ y))/10y = (x+ y)/2y; 3) (4x-8y)/8y = (4(x-2y))/8y = (x-2y)/2y; 4) (ab+ bc)/6b = (b(a+ c))/6b = (a+ c)/6; 5) (ax+ ay)/3ay = (a(x+ y))/3ay = (x+ y)/3y; 6) (xz-2yz)/2z = (z(x-2y))/2z = (x-2y)/2; 7) 〖4xy+6y〗^2/2y = (2y(2x+3y))/2y = 2x + 3y; 8) (2ax+4ay)/4ay = (2a(x+2y))/4ay = (x+2y)/2y; 9) (3bx-3by)/6ab = (3b(x- y))/6ab = (x- y)/2a.