21 乘法 56 等于多少？

21 × 55 = 1155 21 × 57 = 1197 21 × 58 = 1218 21 × 54 = 1134 21 × 59 = 1239 21 × 53 = 1113 21 × 60 = 1260 21 × 52 = 1092 20 × 56 = 1120 22 × 56 = 1232 19 × 56 = 1064 23 × 56 = 1288 24 × 56 = 1344 18 × 56 = 1008 25 × 56 = 1400 17 × 56 = 952 12 × 98 = 1176 14 × 84 = 1176 24 × 49 = 1176 28 × 42 = 1176 42 × 28 = 1176 49 × 24 = 1176 99 × 83 = 8217 74 × 48 = 3552 23 × 24 = 552 90 × 2 = 180 17 × 38 = 646 91 × 69 = 6279 48 × 45 = 2160 5 × 47 = 235