84 加法 80 等于多少？

84 + 79 = 163 84 + 81 = 165 84 + 78 = 162 84 + 82 = 166 84 + 83 = 167 84 + 77 = 161 84 + 84 = 168 84 + 76 = 160 83 + 80 = 163 85 + 80 = 165 82 + 80 = 162 86 + 80 = 166 87 + 80 = 167 81 + 80 = 161 88 + 80 = 168 80 + 80 = 160 64 + 100 = 164 65 + 99 = 164 66 + 98 = 164 67 + 97 = 164 68 + 96 = 164 69 + 95 = 164 67 + 27 = 94 54 + 60 = 114 90 + 19 = 109 39 + 3 = 42 31 + 72 = 103 58 + 13 = 71 2 × 82 = 164 41 × 4 = 164