21 乘法 12 等于多少？

21 × 11 = 231 21 × 13 = 273 21 × 10 = 210 21 × 14 = 294 21 × 15 = 315 21 × 9 = 189 21 × 16 = 336 21 × 8 = 168 20 × 12 = 240 22 × 12 = 264 19 × 12 = 228 23 × 12 = 276 24 × 12 = 288 18 × 12 = 216 25 × 12 = 300 17 × 12 = 204 3 × 84 = 252 4 × 63 = 252 6 × 42 = 252 7 × 36 = 252 9 × 28 = 252 12 × 21 = 252 68 × 36 = 2448 28 × 34 = 952 35 × 7 = 245 30 × 70 = 2100 11 × 3 = 33 97 × 77 = 7469 9 × 7 = 63 81 × 32 = 2592