83 乘法 21 等于多少？

83 × 20 = 1660 83 × 22 = 1826 83 × 19 = 1577 83 × 23 = 1909 83 × 24 = 1992 83 × 18 = 1494 83 × 25 = 2075 83 × 17 = 1411 82 × 21 = 1722 84 × 21 = 1764 85 × 21 = 1785 81 × 21 = 1701 86 × 21 = 1806 80 × 21 = 1680 87 × 21 = 1827 79 × 21 = 1659 21 × 83 = 1743 12 × 94 = 1128 100 × 92 = 9200 21 × 1 = 21 13 × 86 = 1118 33 × 85 = 2805 82 × 78 = 6396 76 × 30 = 2280 99 × 56 = 5544 5 × 42 = 210 24 × 7 = 168 3 × 84 = 252 4 × 20 = 80