Выполните вычитание: 1/3-(+2/3)= - 2/5-(-3/5)= -5/8-(-7/8)=

Question

Выполните вычитание:


1/3-(+2/3)=
- 2/5-(-3/5)=
-5/8-(-7/8)=

Answer 1

1/3-(+2/3)= 1/3 - 2/3 = -1/3

- 2/5-(-3/5)= -2/5 + 3/5 = 1/5

-5/8-(-7/8)= -5/8 + 7/8 = 2/8 = 1/4