27 20 | × | 49 5000 | ( | 12799 4 | − | 300 | − | H | ) | + | 3 2 | × | 300 | × | 49 5000 | + | 51 50 | × | 300 | × | 49 5000 | + | 6 5 | × | 49 5000 | ( | H | − | 300 | ) | = | 4243 100 |
| 方程左边 = | 1323 100000 | ( | 12799 4 | − | 300 | − | H | ) | + | 441 100 | + | 7497 2500 | + | 147 12500 | ( | H | − | 300 | ) | + | 5 2 |
| = | 1323 100000 | ( | 12799 4 | − | 300 | − | H | ) | + | 6193 625 | + | 147 12500 | ( | H | − | 300 | ) |
1323 100000 | ( | 12799 4 | − | 300 | − | H | ) | + | 6193 625 | + | 147 12500 | ( | H | − | 300 | ) | = | 4243 100 |
| 方程左边 = | 1323 100000 | × | 12799 4 | − | 1323 100000 | × | 300 | − | 1323 100000 | H | + | 6193 625 | + | 147 12500 | ( | H | − | 300 | ) |
| = | 16933077 400000 | − | 3969 1000 | − | 1323 100000 | H | + | 6193 625 | + | 147 12500 | ( | H | − | 300 | ) |