31 乘法 84 等于多少？

31 × 83 = 2573 31 × 85 = 2635 31 × 82 = 2542 31 × 86 = 2666 31 × 87 = 2697 31 × 81 = 2511 31 × 88 = 2728 31 × 80 = 2480 30 × 84 = 2520 32 × 84 = 2688 29 × 84 = 2436 33 × 84 = 2772 28 × 84 = 2352 34 × 84 = 2856 35 × 84 = 2940 27 × 84 = 2268 28 × 93 = 2604 42 × 62 = 2604 62 × 42 = 2604 84 × 31 = 2604 93 × 28 = 2604 64 × 24 = 1536 67 × 57 = 3819 18 × 8 = 144 61 × 82 = 5002 19 × 39 = 741 97 × 80 = 7760 89 × 1 = 89 88 × 91 = 8008 70 × 6 = 420