| 65999900 | ( | 1 | − | 103 5000 | ) | − | ( | 65999900 | ( | 1 | − | 103 5000 | ) | ÷ | 109 100 | × | 9 100 | − | 15000000 | ÷ | 103 100 | × | 3 100 | − | 271083563 25 | ÷ | 113 100 | × | 13 100 | − | 55569 | ÷ | 53 50 | ) | = | X |
| 方程左边 = | 65999900 | × | 1 | − | 65999900 | × | 103 5000 | − | ( | 65999900 | ( | 1 | − | 103 5000 | ) | ÷ | 109 100 | × | 9 100 | − | 15000000 | ÷ | 103 100 | × | 3 100 | − | 271083563 25 | ÷ | 113 100 | × | 13 100 | − | 55569 | ÷ | 53 50 | ) |
| = | 65999900 | − | 67979897 50 | − | ( | 65999900 | ( | 1 | − | 103 5000 | ) | ÷ | 109 100 | × | 9 100 | − | 15000000 | ÷ | 103 100 | × | 3 100 | − | 271083563 25 | ÷ | 113 100 | × | 13 100 | − | 55569 | ÷ | 53 50 | ) |
| = | 3232015103 50 | − | ( | 65999900 | ( | 1 | − | 103 5000 | ) | ÷ | 109 100 | × | 9 100 | − | 15000000 | ÷ | 103 100 | × | 3 100 | − | 271083563 25 | ÷ | 113 100 | × | 13 100 | − | 55569 | ÷ | 53 50 | ) |
| = | 3232015103 50 | − | 65999900 | ( | 1 | − | 103 5000 | ) | ÷ | 109 100 | × | 9 100 | + | 15000000 | ÷ | 103 100 | × | 3 100 | + | 271083563 25 | ÷ | 113 100 | × | 13 100 | + | 55569 |