13 乘法 80 等于多少？

13 × 79 = 1027 13 × 81 = 1053 13 × 78 = 1014 13 × 82 = 1066 13 × 83 = 1079 13 × 77 = 1001 13 × 84 = 1092 13 × 76 = 988 12 × 80 = 960 14 × 80 = 1120 11 × 80 = 880 15 × 80 = 1200 10 × 80 = 800 16 × 80 = 1280 17 × 80 = 1360 9 × 80 = 720 16 × 65 = 1040 20 × 52 = 1040 26 × 40 = 1040 40 × 26 = 1040 52 × 20 = 1040 65 × 16 = 1040 3 × 70 = 210 10 × 75 = 750 70 × 68 = 4760 85 × 91 = 7735 81 × 1 = 81 14 × 8 = 112 64 × 94 = 6016 83 × 63 = 5229