66 乘法 21 等于多少？

66 × 20 = 1320 66 × 22 = 1452 66 × 19 = 1254 66 × 23 = 1518 66 × 24 = 1584 66 × 18 = 1188 66 × 25 = 1650 66 × 17 = 1122 65 × 21 = 1365 67 × 21 = 1407 64 × 21 = 1344 68 × 21 = 1428 69 × 21 = 1449 63 × 21 = 1323 70 × 21 = 1470 62 × 21 = 1302 14 × 99 = 1386 18 × 77 = 1386 21 × 66 = 1386 22 × 63 = 1386 33 × 42 = 1386 42 × 33 = 1386 55 × 57 = 3135 24 × 86 = 2064 53 × 68 = 3604 20 × 87 = 1740 37 × 68 = 2516 46 × 21 = 966 87 × 77 = 6699 49 × 7 = 343