24 乘法 21 等于多少？

24 × 20 = 480 24 × 22 = 528 24 × 19 = 456 24 × 23 = 552 24 × 24 = 576 24 × 18 = 432 24 × 25 = 600 24 × 17 = 408 23 × 21 = 483 25 × 21 = 525 22 × 21 = 462 26 × 21 = 546 21 × 21 = 441 27 × 21 = 567 20 × 21 = 420 28 × 21 = 588 6 × 84 = 504 7 × 72 = 504 8 × 63 = 504 9 × 56 = 504 12 × 42 = 504 14 × 36 = 504 74 × 3 = 222 13 × 39 = 507 71 × 40 = 2840 33 × 59 = 1947 17 × 57 = 969 50 × 69 = 3450 45 × 78 = 3510 30 × 61 = 1830