34. 6x (5 + 4) -0+ 10 = 29-7:7
35. 33:(r+19) = 80:2:5:4:2
36. 0+[(1 + 2 x 3):c+5]:6=(78-69):9
37. 10x3 x 9-30:3:10 + 11 =7 xf
38. (607-299): 6+299 = 607 - 231
39. 1x2x3 x 4-5+6=7X8-19+10) -9
40. 88:2:4+ 10 xe=99+6:3
