3 乘法 21 等于多少？

3 × 20 = 60 3 × 22 = 66 3 × 19 = 57 3 × 23 = 69 3 × 24 = 72 3 × 18 = 54 3 × 25 = 75 3 × 17 = 51 2 × 21 = 42 4 × 21 = 84 1 × 21 = 21 5 × 21 = 105 6 × 21 = 126 7 × 21 = 147 8 × 21 = 168 9 × 21 = 189 1 × 63 = 63 7 × 9 = 63 9 × 7 = 63 21 × 3 = 63 63 × 1 = 63 91 × 77 = 7007 11 × 50 = 550 38 × 22 = 836 49 × 79 = 3871 5 × 45 = 225 73 × 2 = 146 8 + 55 = 63 50 + 13 = 63 89 - 26 = 63