Question

Cual es el resultado de 1: (+5)+(+3)
2: (-7)+(-5)
3: (-5)+(+3)
4: (-11)+(-7)
5: (+14)+(-20)
6: (+20)-(-15)
7: (+5)-(+28)
8: (+11)+(-13)
9: (-27)-(-42)
10: (+19)-(+37)
11: (-16)-(-28)
12: (-24)-(-24)
13: (-6)+(-5)+(-9)
14: (-15)-(+16)+(-13)
15: (-24)-(-13)+(-9)
16: 1+(+1)+(+7)
17: (-15)+(-9)-(+3)
18: 11-(+2)+(-8)

Answer 1

2. -12 3. -2. 4/ -18. 5/ -6. 6/ 35. 7/ -23. 8/ -2. 9/ 15. 10/ -18. 11/ 12 12/-48. 13/ -20. 14/ -44. 15/-20. 16/ 9. 17/ -27. 18/ = 1