Question

1. Efectueaza.
3/7+2/7-4/7=
9/12-6/12+4/12=
8/8-2/8+1/8=
3/9+5/9-6/9=
7/7-(2/7+3/7)=
2/9+(8/9-3/9)=
10/10- (2/10+2/10) - (1/10+3/10)

va rog ajutati ma dau coroana​

Answer 1

1. 1/7
2. 7/12
3. 7/8
4. 2/9
5. 2/7
6. 7/9
7. 2/10