80 乘法 2 等于多少？

80 × 1 = 80 80 × 3 = 240 80 × 4 = 320 80 × 5 = 400 80 × 6 = 480 80 × 7 = 560 80 × 8 = 640 80 × 9 = 720 79 × 2 = 158 81 × 2 = 162 78 × 2 = 156 82 × 2 = 164 83 × 2 = 166 77 × 2 = 154 84 × 2 = 168 76 × 2 = 152 2 × 80 = 160 4 × 40 = 160 5 × 32 = 160 8 × 20 = 160 10 × 16 = 160 16 × 10 = 160 89 × 72 = 6408 76 × 20 = 1520 31 × 76 = 2356 56 × 64 = 3584 76 × 18 = 1368 75 × 29 = 2175 83 + 77 = 160 76 + 84 = 160