Question

Ajutatima cu 20 de exerciti cu adunarea si scaderea numerelor intregi va rog.

Answer 1

1. 1+(-1)= 1-1=0
2. -5-6=-11
3. -2+(+7)=-2+7=+5
4. -8+8=0
5. 17-(+8)-10=17-8-10=9-10=-1
6. 6+6-6+6-6=6
7. -4-5+9=-9+9=0
8. -5+6-7+8= +1-7+8=-6+8=+2
9. 1-32+7=-31+7=-24
10. -3-18+10=-(18+3)+10=-21+10=-11
11. -3+9=+(9-3)+6
12. -12+5-7+8=-7-7+8=-14+8=-6
13. +3+(+2)= +3+2=+5
14. +7+(-7)=+7-7=0
15. -5+3=-(5-3)=-2
16. +10+(-24)=+10-24=-14
17. (-3)-(-2)=-3+2=-1
18. -21+(+23)= -21+23=+2
19.-21-(-7)=-21+7=-14
20.(+6)-(+8)=+6-8=-2