512. Есептеңдер:
Математика, 6 класс

Пошаговое объяснение:

1)

2/3 : (-2) = 2/3 * (-1/2) =

-2/6 = -1/3

-3/4 : 1. 1/2 = -3/4 : 3/2 =

-3/4 * 2/3 = -2/4 = -1/2

2)

4 : (-1/2) = 4 * (-2/1) = -8/1 = -8

5 : (-5/8) = 5 * (-8/5) = -40/5 = -8

3)

-5/6 : (-5/12) = -5/6 * (-12/5) = 12/6 = 2

-3. 3/4 : 1. 1/2 = -15/4 : 3/2 = -15/4 * 2/3 = -5/2 * 1/1 =

-5/2 = -2. 1/2

4)

-4. 2/3 : 2/9 = -14/3 * 9/2 = -7/1 * 3/1 = -21/1 = -21

-6. 1/4 : (-5/8) = -25/4 * (-8/5) = -5/1 * (-2/1) = 10/1 = 10