13 乘法 81 等于多少？

13 × 80 = 1040 13 × 82 = 1066 13 × 83 = 1079 13 × 79 = 1027 13 × 84 = 1092 13 × 78 = 1014 13 × 85 = 1105 13 × 77 = 1001 12 × 81 = 972 14 × 81 = 1134 11 × 81 = 891 15 × 81 = 1215 10 × 81 = 810 16 × 81 = 1296 17 × 81 = 1377 9 × 81 = 729 27 × 39 = 1053 39 × 27 = 1053 81 × 13 = 1053 48 × 54 = 2592 74 × 61 = 4514 24 × 59 = 1416 51 × 76 = 3876 87 × 56 = 4872 66 × 87 = 5742 77 × 54 = 4158 8 × 33 = 264 43 × 74 = 3182 55 × 6 = 330 42 × 37 = 1554