34 乘法 21 等于多少？

34 × 20 = 680 34 × 22 = 748 34 × 19 = 646 34 × 23 = 782 34 × 24 = 816 34 × 18 = 612 34 × 25 = 850 34 × 17 = 578 33 × 21 = 693 35 × 21 = 735 32 × 21 = 672 36 × 21 = 756 31 × 21 = 651 37 × 21 = 777 38 × 21 = 798 30 × 21 = 630 14 × 51 = 714 17 × 42 = 714 21 × 34 = 714 42 × 17 = 714 51 × 14 = 714 51 × 12 = 612 55 × 68 = 3740 62 × 39 = 2418 43 × 59 = 2537 90 × 80 = 7200 88 × 2 = 176 68 × 65 = 4420 27 × 39 = 1053 52 × 77 = 4004