84 乘法 21 等于多少？

84 × 20 = 1680 84 × 22 = 1848 84 × 19 = 1596 84 × 23 = 1932 84 × 24 = 2016 84 × 18 = 1512 84 × 25 = 2100 84 × 17 = 1428 83 × 21 = 1743 85 × 21 = 1785 82 × 21 = 1722 86 × 21 = 1806 87 × 21 = 1827 81 × 21 = 1701 88 × 21 = 1848 80 × 21 = 1680 18 × 98 = 1764 21 × 84 = 1764 28 × 63 = 1764 36 × 49 = 1764 42 × 42 = 1764 49 × 36 = 1764 37 × 29 = 1073 31 × 30 = 930 96 × 49 = 4704 36 × 89 = 3204 46 × 63 = 2898 12 × 30 = 360 58 × 2 = 116 87 × 17 = 1479