а) (8c+25)/6c + (5-2c)/2c = (8c + 25)/6c + (5 - 2c)/2c = (16c + 50 + 15 - 6c)/6c = (10c + 65)/6cб) (x - 3)/(x^2 - 64) + 11/(x^2 - 64) = (x - 3 + 11)/(x^2 - 64) = (x + 8)/(x^2 - 64)
а) m^2/16 24/mn = m^2 24 / (16 mn) = 24m^2 / 16mn = 3m / 2nб) 4ab/(cx + dx) (ax + bx)/2ab = 4ab(ax + bx) / 2ab(cx + dx) = 2(ab)(ax + bx) / a(bc + bd) = 2x(b + a) / (c + d)в) (y^2 - 4y + 4) * y / (3y^2 - 12) = y(y - 2)^2 / 3y(y - 4)
а) -(6xy^2)/5ab ÷ (9x^2 y^2)/10ab = -(6xy^2 10ab) / (5ab 9x^2 y^2) = -60xy^2ab / 45abx^2y^2 = -4y / 3x^2б) (c^2 + 4c)/(c^2 - 4) ÷ (3c + 12)/(c - 2) = ((c + 4)c)/((c + 2)(c - 2)) ÷ (3(c + 4))/(c - 2) = c / 3(c + 2)
а) (8c+25)/6c + (5-2c)/2c = (8c + 25)/6c + (5 - 2c)/2c = (16c + 50 + 15 - 6c)/6c = (10c + 65)/6c
б) (x - 3)/(x^2 - 64) + 11/(x^2 - 64) = (x - 3 + 11)/(x^2 - 64) = (x + 8)/(x^2 - 64)
а) m^2/16 24/mn = m^2 24 / (16 mn) = 24m^2 / 16mn = 3m / 2n
б) 4ab/(cx + dx) (ax + bx)/2ab = 4ab(ax + bx) / 2ab(cx + dx) = 2(ab)(ax + bx) / a(bc + bd) = 2x(b + a) / (c + d)
в) (y^2 - 4y + 4) * y / (3y^2 - 12) = y(y - 2)^2 / 3y(y - 4)
а) -(6xy^2)/5ab ÷ (9x^2 y^2)/10ab = -(6xy^2 10ab) / (5ab 9x^2 y^2) = -60xy^2ab / 45abx^2y^2 = -4y / 3x^2
б) (c^2 + 4c)/(c^2 - 4) ÷ (3c + 12)/(c - 2) = ((c + 4)c)/((c + 2)(c - 2)) ÷ (3(c + 4))/(c - 2) = c / 3(c + 2)