Question

C. Calculati:
1. 5+(-7)-(-4)-(-6)
2.4+(-2)+3-(-5+7.9+1)-
3. 7--13+25+4)-(8-13-25)-(-5-3)
4. 13-15-17)-(3-10-9-12)-(3-18)
5.-12-(-14+18-9)-(8-15-5)-(+6+5)
6. (7+15-28)-(-15-21)-(13-19)
7. (-8-15-20)-(3-9-7--15+23)



dsu coroana si 10 pct,va rog​

Answer 1

Răspuns:

1.8

2.acolo este 7,9=1,1

3. 29

4. 24

5. -6

6. 36

7. - 22