20 乘法 51 等于多少？

20 × 50 = 1000 20 × 52 = 1040 20 × 49 = 980 20 × 53 = 1060 20 × 48 = 960 20 × 54 = 1080 20 × 47 = 940 20 × 55 = 1100 19 × 51 = 969 21 × 51 = 1071 22 × 51 = 1122 18 × 51 = 918 23 × 51 = 1173 17 × 51 = 867 24 × 51 = 1224 16 × 51 = 816 12 × 85 = 1020 15 × 68 = 1020 17 × 60 = 1020 30 × 34 = 1020 34 × 30 = 1020 51 × 20 = 1020 48 × 74 = 3552 12 × 20 = 240 55 × 63 = 3465 54 × 85 = 4590 80 × 25 = 2000 14 × 11 = 154 19 × 16 = 304 9 × 36 = 324