21 乘法 69 等于多少？

21 × 68 = 1428 21 × 70 = 1470 21 × 67 = 1407 21 × 71 = 1491 21 × 66 = 1386 21 × 72 = 1512 21 × 65 = 1365 21 × 73 = 1533 20 × 69 = 1380 22 × 69 = 1518 19 × 69 = 1311 23 × 69 = 1587 24 × 69 = 1656 18 × 69 = 1242 25 × 69 = 1725 17 × 69 = 1173 23 × 63 = 1449 63 × 23 = 1449 69 × 21 = 1449 10 × 18 = 180 17 × 17 = 289 97 × 2 = 194 73 × 51 = 3723 3 × 83 = 249 7 × 6 = 42 74 × 84 = 6216 6 × 3 = 18 5 × 86 = 430 64 × 88 = 5632 49 × 54 = 2646