Помогите пожалуйста!номер 586.
1) = (3/12 - 8/12)*(12/15 - 2/15)*(-3/5) = -5/12 * 2/3 *(-3/5) = -5/18 *(-3/5) = 1/6 2) =(3/18 - 10/18)*(7/14 - 6/14) *36/5 = -7/18 * 1/14 * 36/5 = -1/36 * 36/5 = -1/5 3) = (5/6 - 4/6)*(7/8 - 4/8)*(-4) = 1/6 * 3/8 *(-4) = 1/16 * (-4)= -1/4
Спасибо!