20 乘法 28 等于多少？

20 × 29 = 580 20 × 27 = 540 20 × 30 = 600 20 × 26 = 520 20 × 31 = 620 20 × 25 = 500 20 × 32 = 640 20 × 24 = 480 19 × 28 = 532 21 × 28 = 588 22 × 28 = 616 18 × 28 = 504 23 × 28 = 644 17 × 28 = 476 24 × 28 = 672 16 × 28 = 448 7 × 80 = 560 8 × 70 = 560 10 × 56 = 560 14 × 40 = 560 16 × 35 = 560 28 × 20 = 560 4 × 32 = 128 78 × 84 = 6552 40 × 50 = 2000 66 × 6 = 396 60 × 67 = 4020 80 × 95 = 7600 42 × 95 = 3990 42 × 71 = 2982