SkyLicK13

Объяснение:

4.1

-4 * -4 = 16-1=15

-4-5=-9

15/-9

- 15/9

-5/3 = - 1 целая 2/3

4.2

-5+3=-2

-2/6

-1/3

-6/3 = -2

-1/3 - -2 = -1/3+2= 2-1/3= 2/1 - 1/3 = 6/3 - 1/3 = 5/3 = 1⅔