21 乘法 5 等于多少？

21 × 4 = 84 21 × 6 = 126 21 × 3 = 63 21 × 7 = 147 21 × 2 = 42 21 × 8 = 168 21 × 1 = 21 21 × 9 = 189 20 × 5 = 100 22 × 5 = 110 19 × 5 = 95 23 × 5 = 115 24 × 5 = 120 18 × 5 = 90 25 × 5 = 125 17 × 5 = 85 3 × 35 = 105 5 × 21 = 105 7 × 15 = 105 15 × 7 = 105 35 × 3 = 105 99 × 78 = 7722 100 × 66 = 6600 93 × 18 = 1674 47 × 91 = 4277 72 × 77 = 5544 96 × 60 = 5760 56 + 49 = 105 54 + 51 = 105 28 + 77 = 105