87 乘法 81 等于多少？

87 × 80 = 6960 87 × 82 = 7134 87 × 83 = 7221 87 × 79 = 6873 87 × 84 = 7308 87 × 78 = 6786 87 × 85 = 7395 87 × 77 = 6699 86 × 81 = 6966 88 × 81 = 7128 85 × 81 = 6885 89 × 81 = 7209 84 × 81 = 6804 90 × 81 = 7290 83 × 81 = 6723 91 × 81 = 7371 81 × 87 = 7047 70 × 91 = 6370 4 × 89 = 356 87 × 75 = 6525 34 × 63 = 2142 11 × 69 = 759 23 × 12 = 276 78 × 10 = 780 21 × 58 = 1218 25 × 30 = 750 5 × 5 = 25 96 × 70 = 6720 74 × 71 = 5254