43 + 6 = 49 70 - 5 = 65 46 + 15 = 61
52 + 14 = 66 48 - 18 = 30 57 + 17 = 74
64 + 22 = 86 78 - 7 = 71 39 + 23 = 62
31 + 15 = 46 100 - 23 = 77 24 + 36 = 60
72 + 26 = 98 39 - 32 = 7 55 + 14 = 69
============================================================
43 + 6 < 46 + 15 < 70 - 5
48 - 18 < 52 + 14 < 57 + 17
39 + 23 < 78 - 7 < 64 + 22
31 + 15 < 24 + 36 < 100 - 23
39 - 32 < 55 + 14 < 72 + 26