7 乘法 21 等于多少？

7 × 20 = 140 7 × 22 = 154 7 × 19 = 133 7 × 23 = 161 7 × 24 = 168 7 × 18 = 126 7 × 25 = 175 7 × 17 = 119 6 × 21 = 126 8 × 21 = 168 5 × 21 = 105 9 × 21 = 189 4 × 21 = 84 10 × 21 = 210 11 × 21 = 231 3 × 21 = 63 3 × 49 = 147 21 × 7 = 147 49 × 3 = 147 67 × 58 = 3886 60 × 59 = 3540 57 × 3 = 171 90 × 5 = 450 8 × 70 = 560 12 × 32 = 384 80 + 67 = 147 68 + 79 = 147 58 + 89 = 147 87 + 60 = 147 59 × 81 = 4779