10: 1 + 0 = 1 10 - 1 = 9 9 / 9 is true 11: 1 + 1 = 2 11 - 2 = 9 9 / 9 is true 12: 1 + 2 = 3 12 - 3 = 9 9 / 9 is true 13: 1 + 3 = 4 13 - 4 = 9 9 / 9 is true 14: 1 + 4 = 5 14 - 5 = 9 9 / 9 is true 15: 1 + 5 = 6 15 - 6 = 9 9 / 9 is true 16: 1 + 6 = 7 16 - 7 = 9 9 / 9 is true 17: 1 + 7 = 8 17 - 8 = 9 9 / 9 is true 18: 1 + 8 = 9 18 - 9 = 9 9 / 9 is true 19: 1 + 9 = 10 19 - 10 = 9 9 / 9 is true 20: 2 + 0 = 2 20 - 2 = 18 18 / 9 is true 21: 2 + 1 = 3 21 - 3 = 18 18 / 9 is true 22: 2 + 2 = 4 22 - 4 = 18 18 / 9 is true 23: 2 + 3 = 5 23 - 5 = 18 18 / 9 is true 24: 2 + 4 = 6 24 - 6 = 18 18 / 9 is true 25: 2 + 5 = 7 25 - 7 = 18 18 / 9 is true 26: 2 + 6 = 8 26 - 8 = 18 18 / 9 is true 27: 2 + 7 = 9 27 - 9 = 18 18 / 9 is true 28: 2 + 8 = 10 28 - 10 = 18 18 / 9 is true 29: 2 + 9 = 11 29 - 11 = 18 18 / 9 is true 30: 3 + 0 = 3 30 - 3 = 27 27 / 9 is true 31: 3 + 1 = 4 31 - 4 = 27 27 / 9 is true 32: 3 + 2 = 5 32 - 5 = 27 27 / 9 is true 33: 3 + 3 = 6 33 - 6 = 27 27 / 9 is true 34: 3 + 4 = 7 34 - 7 = 27 27 / 9 is true 35: 3 + 5 = 8 35 - 8 = 27 27 / 9 is true 36: 3 + 6 = 9 36 - 9 = 27 27 / 9 is true 37: 3 + 7 = 10 37 - 10 = 27 27 / 9 is true 38: 3 + 8 = 11 38 - 11 = 27 27 / 9 is true 39: 3 + 9 = 12 39 - 12 = 27 27 / 9 is true 40: 4 + 0 = 4 40 - 4 = 36 36 / 9 is true 41: 4 + 1 = 5 41 - 5 = 36 36 / 9 is true 42: 4 + 2 = 6 42 - 6 = 36 36 / 9 is true 43: 4 + 3 = 7 43 - 7 = 36 36 / 9 is true 44: 4 + 4 = 8 44 - 8 = 36 36 / 9 is true 45: 4 + 5 = 9 45 - 9 = 36 36 / 9 is true 46: 4 + 6 = 10 46 - 10 = 36 36 / 9 is true 47: 4 + 7 = 11 47 - 11 = 36 36 / 9 is true 48: 4 + 8 = 12 48 - 12 = 36 36 / 9 is true 49: 4 + 9 = 13 49 - 13 = 36 36 / 9 is true 50: 5 + 0 = 5 50 - 5 = 45 45 / 9 is true 51: 5 + 1 = 6 51 - 6 = 45 45 / 9 is true 52: 5 + 2 = 7 52 - 7 = 45 45 / 9 is true 53: 5 + 3 = 8 53 - 8 = 45 45 / 9 is true 54: 5 + 4 = 9 54 - 9 = 45 45 / 9 is true 55: 5 + 5 = 10 55 - 10 = 45 45 / 9 is true 56: 5 + 6 = 11 56 - 11 = 45 45 / 9 is true 57: 5 + 7 = 12 57 - 12 = 45 45 / 9 is true 58: 5 + 8 = 13 58 - 13 = 45 45 / 9 is true 59: 5 + 9 = 14 59 - 14 = 45 45 / 9 is true 60: 6 + 0 = 6 60 - 6 = 54 54 / 9 is true 61: 6 + 1 = 7 61 - 7 = 54 54 / 9 is true 62: 6 + 2 = 8 62 - 8 = 54 54 / 9 is true 63: 6 + 3 = 9 63 - 9 = 54 54 / 9 is true 64: 6 + 4 = 10 64 - 10 = 54 54 / 9 is true 65: 6 + 5 = 11 65 - 11 = 54 54 / 9 is true 66: 6 + 6 = 12 66 - 12 = 54 54 / 9 is true 67: 6 + 7 = 13 67 - 13 = 54 54 / 9 is true 68: 6 + 8 = 14 68 - 14 = 54 54 / 9 is true 69: 6 + 9 = 15 69 - 15 = 54 54 / 9 is true 70: 7 + 0 = 7 70 - 7 = 63 63 / 9 is true 71: 7 + 1 = 8 71 - 8 = 63 63 / 9 is true 72: 7 + 2 = 9 72 - 9 = 63 63 / 9 is true 73: 7 + 3 = 10 73 - 10 = 63 63 / 9 is true 74: 7 + 4 = 11 74 - 11 = 63 63 / 9 is true 75: 7 + 5 = 12 75 - 12 = 63 63 / 9 is true 76: 7 + 6 = 13 76 - 13 = 63 63 / 9 is true 77: 7 + 7 = 14 77 - 14 = 63 63 / 9 is true 78: 7 + 8 = 15 78 - 15 = 63 63 / 9 is true 79: 7 + 9 = 16 79 - 16 = 63 63 / 9 is true 80: 8 + 0 = 8 80 - 8 = 72 72 / 9 is true 81: 8 + 1 = 9 81 - 9 = 72 72 / 9 is true 82: 8 + 2 = 10 82 - 10 = 72 72 / 9 is true 83: 8 + 3 = 11 83 - 11 = 72 72 / 9 is true 84: 8 + 4 = 12 84 - 12 = 72 72 / 9 is true 85: 8 + 5 = 13 85 - 13 = 72 72 / 9 is true 86: 8 + 6 = 14 86 - 14 = 72 72 / 9 is true 87: 8 + 7 = 15 87 - 15 = 72 72 / 9 is true 88: 8 + 8 = 16 88 - 16 = 72 72 / 9 is true 89: 8 + 9 = 17 89 - 17 = 72 72 / 9 is true 90: 9 + 0 = 9 90 - 9 = 81 81 / 9 is true 91: 9 + 1 = 10 91 - 10 = 81 81 / 9 is true 92: 9 + 2 = 11 92 - 11 = 81 81 / 9 is true 93: 9 + 3 = 12 93 - 12 = 81 81 / 9 is true 94: 9 + 4 = 13 94 - 13 = 81 81 / 9 is true 95: 9 + 5 = 14 95 - 14 = 81 81 / 9 is true 96: 9 + 6 = 15 96 - 15 = 81 81 / 9 is true 97: 9 + 7 = 16 97 - 16 = 81 81 / 9 is true 98: 9 + 8 = 17 98 - 17 = 81 81 / 9 is true 99: 9 + 9 = 18 99 - 18 = 81 81 / 9 is true
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