20 乘法 5 等于多少？

20 × 4 = 80 20 × 6 = 120 20 × 3 = 60 20 × 7 = 140 20 × 2 = 40 20 × 8 = 160 20 × 1 = 20 20 × 9 = 180 19 × 5 = 95 21 × 5 = 105 22 × 5 = 110 18 × 5 = 90 23 × 5 = 115 17 × 5 = 85 24 × 5 = 120 16 × 5 = 80 1 × 100 = 100 2 × 50 = 100 4 × 25 = 100 5 × 20 = 100 10 × 10 = 100 25 × 4 = 100 82 × 51 = 4182 71 × 46 = 3266 6 × 37 = 222 59 × 87 = 5133 44 × 78 = 3432 68 × 21 = 1428 31 + 69 = 100 81 + 19 = 100