64 乘法 21 等于多少？

64 × 20 = 1280 64 × 22 = 1408 64 × 19 = 1216 64 × 23 = 1472 64 × 24 = 1536 64 × 18 = 1152 64 × 25 = 1600 64 × 17 = 1088 65 × 21 = 1365 63 × 21 = 1323 66 × 21 = 1386 62 × 21 = 1302 67 × 21 = 1407 61 × 21 = 1281 68 × 21 = 1428 60 × 21 = 1260 14 × 96 = 1344 16 × 84 = 1344 21 × 64 = 1344 24 × 56 = 1344 28 × 48 = 1344 32 × 42 = 1344 97 × 22 = 2134 90 × 29 = 2610 8 × 21 = 168 43 × 40 = 1720 23 × 61 = 1403 63 × 83 = 5229 68 × 65 = 4420 75 × 22 = 1650