72 乘法 81 等于多少？

72 × 80 = 5760 72 × 82 = 5904 72 × 83 = 5976 72 × 79 = 5688 72 × 84 = 6048 72 × 78 = 5616 72 × 85 = 6120 72 × 77 = 5544 71 × 81 = 5751 73 × 81 = 5913 74 × 81 = 5994 70 × 81 = 5670 75 × 81 = 6075 69 × 81 = 5589 76 × 81 = 6156 68 × 81 = 5508 81 × 72 = 5832 91 × 3 = 273 85 × 3 = 255 45 × 53 = 2385 48 × 30 = 1440 42 × 96 = 4032 81 × 31 = 2511 11 × 70 = 770 37 × 97 = 3589 79 × 68 = 5372 4 × 42 = 168 64 × 73 = 4672 12 × 64 = 768