12 乘法 21 等于多少？

12 × 20 = 240 12 × 22 = 264 12 × 19 = 228 12 × 23 = 276 12 × 24 = 288 12 × 18 = 216 12 × 25 = 300 12 × 17 = 204 11 × 21 = 231 13 × 21 = 273 10 × 21 = 210 14 × 21 = 294 15 × 21 = 315 9 × 21 = 189 16 × 21 = 336 8 × 21 = 168 3 × 84 = 252 4 × 63 = 252 6 × 42 = 252 7 × 36 = 252 9 × 28 = 252 14 × 18 = 252 77 × 62 = 4774 34 × 24 = 816 77 × 79 = 6083 60 × 99 = 5940 29 × 65 = 1885 90 × 43 = 3870 33 × 9 = 297 6 × 94 = 564