Вопрос:

Выполните умножение: 1) 5/8 * 4/15, 2) 6/8 * 11/45, 3) 11/18 * 36/11

Ответ:

1) 5/8 * 4/15 = (5*4)/(8*15) = 20/120 = 1/6. 2) 6/8 * 11/45 = (6*11)/(8*45) = 66/360 = 11/60. 3) 11/18 * 36/11 = (11*36)/(18*11) = 36/18 = 2.

Похожие