87 乘法 21 等于多少？

87 × 20 = 1740 87 × 22 = 1914 87 × 19 = 1653 87 × 23 = 2001 87 × 24 = 2088 87 × 18 = 1566 87 × 25 = 2175 87 × 17 = 1479 86 × 21 = 1806 88 × 21 = 1848 85 × 21 = 1785 89 × 21 = 1869 84 × 21 = 1764 90 × 21 = 1890 83 × 21 = 1743 91 × 21 = 1911 21 × 87 = 1827 29 × 63 = 1827 63 × 29 = 1827 49 × 11 = 539 74 × 94 = 6956 21 × 44 = 924 2 × 18 = 36 94 × 78 = 7332 77 × 3 = 231 2 × 20 = 40 98 × 32 = 3136 84 × 98 = 8232 5 × 7 = 35 6 × 64 = 384