27 乘法 21 等于多少？

27 × 20 = 540 27 × 22 = 594 27 × 19 = 513 27 × 23 = 621 27 × 24 = 648 27 × 18 = 486 27 × 25 = 675 27 × 17 = 459 26 × 21 = 546 28 × 21 = 588 29 × 21 = 609 25 × 21 = 525 30 × 21 = 630 24 × 21 = 504 31 × 21 = 651 23 × 21 = 483 7 × 81 = 567 9 × 63 = 567 21 × 27 = 567 63 × 9 = 567 81 × 7 = 567 52 × 43 = 2236 67 × 4 = 268 56 × 30 = 1680 36 × 27 = 972 97 × 87 = 8439 14 × 41 = 574 23 × 75 = 1725 93 × 13 = 1209 14 × 60 = 840