11. -5 + -10 = -15
12. 4 = 6 + -2
13. -4 * -5 = 20
14. 48/-8 = -6
15. -9 * 4 = -36
16.
17. 18 = -3*-6
18.
19. 7 - 4 = 3
20.-5 * -15 = 75
21.
22. 9*2 + 5 = 23
23.
24.
25.
26. 10 - 2*3 = 4
27.
28. 5 = 4 + 1
29. 12-16 = -4
30.
Sorry I couldn't do fractions didn't have too much time hope this helps you sorry and thanks :D
