20 乘法 78 等于多少？

20 × 77 = 1540 20 × 79 = 1580 20 × 76 = 1520 20 × 80 = 1600 20 × 75 = 1500 20 × 81 = 1620 20 × 74 = 1480 20 × 82 = 1640 19 × 78 = 1482 21 × 78 = 1638 22 × 78 = 1716 18 × 78 = 1404 23 × 78 = 1794 17 × 78 = 1326 24 × 78 = 1872 16 × 78 = 1248 24 × 65 = 1560 26 × 60 = 1560 30 × 52 = 1560 39 × 40 = 1560 40 × 39 = 1560 52 × 30 = 1560 45 × 54 = 2430 54 × 24 = 1296 79 × 37 = 2923 32 × 42 = 1344 80 × 95 = 7600 15 × 46 = 690 50 × 26 = 1300 47 × 82 = 3854