81 乘法 72 等于多少？

81 × 71 = 5751 81 × 73 = 5913 81 × 74 = 5994 81 × 70 = 5670 81 × 75 = 6075 81 × 69 = 5589 81 × 76 = 6156 81 × 68 = 5508 80 × 72 = 5760 82 × 72 = 5904 83 × 72 = 5976 79 × 72 = 5688 84 × 72 = 6048 78 × 72 = 5616 85 × 72 = 6120 77 × 72 = 5544 72 × 81 = 5832 19 × 52 = 988 99 × 99 = 9801 86 × 9 = 774 26 × 94 = 2444 92 × 16 = 1472 84 × 5 = 420 66 × 42 = 2772 31 × 34 = 1054 33 × 96 = 3168 59 × 7 = 413 23 × 17 = 391 75 × 86 = 6450