Question

Выполните вычитание: 1) 1/3-(+2/3) 2)-2/5-(-3/5) 3)-3/7-(+4/7) 4)5/8-(-7/8) 6)-1/9-(+2/9) (/-Это дробная черта)

Answer 1

1/3 - 2/3 = - 1/3
- 2/5 + 3/5 = 1/5
- 3/7 - 4/7 = -7/7 = - 1
5/8 + 7/8 = 12/8
-1/9 - 2/9 = - 3/9