17. -32 + 17 = _________
18. 23 + 17 = _________
19. -45 - -75 = ________
20. 58 - -12 = ________
21. -25 x -21 = ________
22. 12 x -15 = ________
23. -50 ÷ 5 = __________
24. -45 ÷ -9 = ________
25. 39 ÷ 3 x 5 = _______
26. 75 – 25 ÷ 5 = ______​