42 乘法 20 等于多少？

42 × 19 = 798 42 × 21 = 882 42 × 22 = 924 42 × 18 = 756 42 × 23 = 966 42 × 17 = 714 42 × 24 = 1008 42 × 16 = 672 41 × 20 = 820 43 × 20 = 860 40 × 20 = 800 44 × 20 = 880 39 × 20 = 780 45 × 20 = 900 38 × 20 = 760 46 × 20 = 920 10 × 84 = 840 12 × 70 = 840 14 × 60 = 840 15 × 56 = 840 20 × 42 = 840 21 × 40 = 840 93 × 7 = 651 89 × 61 = 5429 91 × 48 = 4368 12 × 14 = 168 85 × 87 = 7395 29 × 78 = 2262 93 × 13 = 1209 49 × 84 = 4116