89 乘法 20 等于多少？

89 × 19 = 1691 89 × 21 = 1869 89 × 22 = 1958 89 × 18 = 1602 89 × 23 = 2047 89 × 17 = 1513 89 × 24 = 2136 89 × 16 = 1424 88 × 20 = 1760 90 × 20 = 1800 87 × 20 = 1740 91 × 20 = 1820 92 × 20 = 1840 86 × 20 = 1720 93 × 20 = 1860 85 × 20 = 1700 20 × 89 = 1780 82 × 40 = 3280 100 × 13 = 1300 11 × 49 = 539 4 × 7 = 28 67 × 100 = 6700 77 × 69 = 5313 37 × 28 = 1036 74 × 42 = 3108 20 × 47 = 940 31 × 68 = 2108 38 × 26 = 988 45 × 58 = 2610