Вычислите: а) -6 1/5: (3 2/5-1 1/3) б) -3 2/3*1 1/2-1 - вопрос №7087588615325113323112123112 от mixa867 07.07.2020 21:08

Question

Математика: Вычислите: а) -6 1/5: (3 2/5-1 1/3) б) -3 2/3*1 1/2-1 2/3*1 1/2 решите ! буду !

mixa867 · Answer

А)-6 1/5:(3 2/5-1 1/3) = -6 * 5 * (3 2/5 - 1 1/3) = -30 * (3 2/5 - 1 1/3) = = -30 * (3 6/15 - 1 5/15) = -30 * (2 1/15) = -60 30/15 = -62б) -3 2/3*1 1/2-1 2/3*1 1/2 = -1 1/2 * (3 2/3 + 1 2/3) = -1 1/2 * 5 1/3 = - 3/2 * 16/3 = = - 48/6 = -8...