89 乘法 21 等于多少？

89 × 20 = 1780 89 × 22 = 1958 89 × 19 = 1691 89 × 23 = 2047 89 × 24 = 2136 89 × 18 = 1602 89 × 25 = 2225 89 × 17 = 1513 88 × 21 = 1848 90 × 21 = 1890 87 × 21 = 1827 91 × 21 = 1911 92 × 21 = 1932 86 × 21 = 1806 93 × 21 = 1953 85 × 21 = 1785 21 × 89 = 1869 30 × 52 = 1560 57 × 49 = 2793 13 × 24 = 312 28 × 62 = 1736 30 × 58 = 1740 24 × 92 = 2208 10 × 47 = 470 19 × 11 = 209 32 × 83 = 2656 36 × 93 = 3348 71 × 25 = 1775 27 × 10 = 270