Question

вычислите ОЧЕНЬ легко

Answer 1

3) (5/6 - 4/6) * ( 7/8 - 4/8) *(-4) = 1/6 * 3/8 * (-4) = -1/4

4) (9/24-4/24) * (10/45-18/45) * 27 = 5/24 * (-8/45) * 27 = 1