54 加法 80 等于多少？

54 + 79 = 133 54 + 81 = 135 54 + 78 = 132 54 + 82 = 136 54 + 83 = 137 54 + 77 = 131 54 + 84 = 138 54 + 76 = 130 53 + 80 = 133 55 + 80 = 135 56 + 80 = 136 52 + 80 = 132 57 + 80 = 137 51 + 80 = 131 58 + 80 = 138 50 + 80 = 130 34 + 100 = 134 35 + 99 = 134 36 + 98 = 134 37 + 97 = 134 38 + 96 = 134 39 + 95 = 134 8 + 72 = 80 94 + 44 = 138 81 + 31 = 112 47 + 81 = 128 7 + 66 = 73 45 + 49 = 94 2 × 67 = 134 67 × 2 = 134