129783 1250 | ( | 17143 10000 | − | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | = | 16 | a | a | a | a |
| 方程左边 = | 129783 1250 | × | 17143 10000 | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | − | 129783 1250 | a | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) |
| = | 2224869969 12500000 | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | − | 129783 1250 | a | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) |
| = | 2224869969 12500000 | × | 12857 5000 | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | − | 2224869969 12500000 | × | 4 | a | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | ( | 12857 5000 | − | 4 | a | ) | − | 129783 1250 |