71 乘法 20 等于多少？

71 × 19 = 1349 71 × 21 = 1491 71 × 22 = 1562 71 × 18 = 1278 71 × 23 = 1633 71 × 17 = 1207 71 × 24 = 1704 71 × 16 = 1136 70 × 20 = 1400 72 × 20 = 1440 69 × 20 = 1380 73 × 20 = 1460 74 × 20 = 1480 68 × 20 = 1360 75 × 20 = 1500 67 × 20 = 1340 20 × 71 = 1420 99 × 70 = 6930 87 × 13 = 1131 4 × 72 = 288 3 × 7 = 21 7 × 2 = 14 89 × 85 = 7565 47 × 93 = 4371 16 × 35 = 560 69 × 55 = 3795 87 × 63 = 5481 72 × 6 = 432 60 × 67 = 4020