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 5 × 80 = 400 27 × 67 = 1809 62 × 58 = 3596 4 × 47 = 188 49 × 96 = 4704 93 × 23 = 2139 46 × 4 = 184 84 × 59 = 4956 58 × 26 = 1508 60 × 10 = 600 79 × 80 = 6320 85 × 27 = 2295