Question

3/8/(-5/8)-(-2 1/4)/(-1 4/11) вычислите

Answer 1

3/8 : (-5/8) - (-2 1/4) : (-1 4/11) = -1 1/5

1) 3/8 : (-5/8) = 3/8 · (-8/5) = -3/5

2) (-2 1/4) : (-1 4/11) = (-9/4) : (-15/4) = 9/4 · 4/15 = 9/15 = 3/5

3) -3/5 - 3/5 = -6/5 = -1 1/5

Ответ: -1 целая 1/5 (или -1,2 в десятичных дробях).