64 乘法 80 等于多少？

64 × 79 = 5056 64 × 81 = 5184 64 × 78 = 4992 64 × 82 = 5248 64 × 83 = 5312 64 × 77 = 4928 64 × 84 = 5376 64 × 76 = 4864 65 × 80 = 5200 63 × 80 = 5040 66 × 80 = 5280 62 × 80 = 4960 67 × 80 = 5360 61 × 80 = 4880 68 × 80 = 5440 60 × 80 = 4800 80 × 64 = 5120 32 × 21 = 672 5 × 40 = 200 65 × 17 = 1105 56 × 66 = 3696 66 × 39 = 2574 76 × 31 = 2356 37 × 75 = 2775 67 × 16 = 1072 20 × 5 = 100 32 × 25 = 800 1 × 77 = 77 26 × 27 = 702