21 乘法 71 等于多少？

21 × 70 = 1470 21 × 72 = 1512 21 × 69 = 1449 21 × 73 = 1533 21 × 74 = 1554 21 × 68 = 1428 21 × 75 = 1575 21 × 67 = 1407 20 × 71 = 1420 22 × 71 = 1562 19 × 71 = 1349 23 × 71 = 1633 24 × 71 = 1704 18 × 71 = 1278 25 × 71 = 1775 17 × 71 = 1207 71 × 21 = 1491 32 × 17 = 544 87 × 55 = 4785 40 × 49 = 1960 81 × 36 = 2916 15 × 92 = 1380 78 × 68 = 5304 55 × 65 = 3575 39 × 75 = 2925 24 × 18 = 432 3 × 46 = 138 6 × 2 = 12 21 × 43 = 903