contestada

1. 2+2=
2. 4-2=
3. 9+10=
4. 6-1=
5. 10+12=
6. 81-2=
7. 10.12-34.42
9. 1 2/3 + 4 100/10
10. 2x+2-4=4x+8-8
11. 9.18235-4.40
12. x³+y³+z³=k, Find Z
13. X+1=A Find X
14. X/32 +56/2 =9 Find x
15.n-j+v=2+v Find j

That's all thx