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 90 × 6 = 540 9 × 65 = 585 35 × 22 = 770 43 × 72 = 3096 15 × 16 = 240 19 × 16 = 304 2 × 97 = 194 94 × 43 = 4042 73 × 98 = 7154 46 × 87 = 4002 33 × 77 = 2541