21 乘法 87 等于多少？

21 × 86 = 1806 21 × 88 = 1848 21 × 85 = 1785 21 × 89 = 1869 21 × 84 = 1764 21 × 90 = 1890 21 × 83 = 1743 21 × 91 = 1911 20 × 87 = 1740 22 × 87 = 1914 19 × 87 = 1653 23 × 87 = 2001 24 × 87 = 2088 18 × 87 = 1566 25 × 87 = 2175 17 × 87 = 1479 29 × 63 = 1827 63 × 29 = 1827 87 × 21 = 1827 60 × 4 = 240 58 × 62 = 3596 73 × 53 = 3869 46 × 10 = 460 59 × 51 = 3009 72 × 10 = 720 59 × 71 = 4189 61 × 53 = 3233 93 × 54 = 5022 25 × 82 = 2050 85 × 29 = 2465