3 乘法 81 等于多少？

3 × 80 = 240 3 × 82 = 246 3 × 83 = 249 3 × 79 = 237 3 × 84 = 252 3 × 78 = 234 3 × 85 = 255 3 × 77 = 231 2 × 81 = 162 4 × 81 = 324 1 × 81 = 81 5 × 81 = 405 6 × 81 = 486 7 × 81 = 567 8 × 81 = 648 9 × 81 = 729 9 × 27 = 243 27 × 9 = 243 81 × 3 = 243 87 × 6 = 522 71 × 97 = 6887 66 × 2 = 132 97 × 14 = 1358 60 × 48 = 2880 20 × 96 = 1920 21 × 12 = 252 36 × 64 = 2304 33 × 33 = 1089 95 × 43 = 4085 41 × 65 = 2665