76 乘法 21 等于多少？

76 × 20 = 1520 76 × 22 = 1672 76 × 19 = 1444 76 × 23 = 1748 76 × 24 = 1824 76 × 18 = 1368 76 × 25 = 1900 76 × 17 = 1292 75 × 21 = 1575 77 × 21 = 1617 74 × 21 = 1554 78 × 21 = 1638 73 × 21 = 1533 79 × 21 = 1659 80 × 21 = 1680 72 × 21 = 1512 19 × 84 = 1596 21 × 76 = 1596 28 × 57 = 1596 38 × 42 = 1596 42 × 38 = 1596 57 × 28 = 1596 87 × 56 = 4872 5 × 49 = 245 19 × 53 = 1007 31 × 42 = 1302 9 × 9 = 81 2 × 86 = 172 10 × 71 = 710 87 × 19 = 1653