81 乘法 64 等于多少？

81 × 65 = 5265 81 × 63 = 5103 81 × 66 = 5346 81 × 62 = 5022 81 × 67 = 5427 81 × 61 = 4941 81 × 68 = 5508 81 × 60 = 4860 80 × 64 = 5120 82 × 64 = 5248 83 × 64 = 5312 79 × 64 = 5056 84 × 64 = 5376 78 × 64 = 4992 85 × 64 = 5440 77 × 64 = 4928 54 × 96 = 5184 64 × 81 = 5184 72 × 72 = 5184 96 × 54 = 5184 28 × 42 = 1176 75 × 33 = 2475 96 × 97 = 9312 70 × 100 = 7000 64 × 52 = 3328 16 × 90 = 1440 60 × 66 = 3960 21 × 78 = 1638 84 × 97 = 8148 21 × 60 = 1260