71 乘法 21 等于多少？

71 × 20 = 1420 71 × 22 = 1562 71 × 19 = 1349 71 × 23 = 1633 71 × 24 = 1704 71 × 18 = 1278 71 × 25 = 1775 71 × 17 = 1207 70 × 21 = 1470 72 × 21 = 1512 69 × 21 = 1449 73 × 21 = 1533 74 × 21 = 1554 68 × 21 = 1428 75 × 21 = 1575 67 × 21 = 1407 21 × 71 = 1491 83 × 68 = 5644 35 × 39 = 1365 33 × 57 = 1881 48 × 92 = 4416 28 × 67 = 1876 41 × 41 = 1681 58 × 69 = 4002 13 × 51 = 663 95 × 43 = 4085 35 × 48 = 1680 21 × 14 = 294 40 × 69 = 2760