| 1000000 | ( | 1 | − | 39 2500 | ) | − | 500000 | − | 130641 5 | − | 24440 | − | 50000 | − | ( | 1000000 | ÷ | 109 100 | × | 9 100 | − | 800971 50 | − | 6917 5 | − | 30059 10 | − | X | ÷ | 103 100 | × | 3 100 | ) | × | 28 25 | = | X |
| 方程左边 = | 1000000 | ( | 1 | − | 39 2500 | ) | − | 3002841 5 | − | ( | 1000000 | ÷ | 109 100 | × | 9 100 | − | 800971 50 | − | 6917 5 | − | 30059 10 | − | X | ÷ | 103 100 | × | 3 100 | ) | × | 28 25 |
| 1000000 | ( | 1 | − | 39 2500 | ) | − | 3002841 5 | − | ( | 1000000 | ÷ | 109 100 | × | 9 100 | − | 800971 50 | − | 6917 5 | − | 30059 10 | − | X | ÷ | 103 100 | × | 3 100 | ) | × | 28 25 | = | X |
| 方程左边 = | 1000000 | × | 1 | − | 1000000 | × | 39 2500 | − | 3002841 5 | − | ( | 1000000 | ÷ | 109 100 | × | 9 100 | − | 800971 50 | − | 6917 5 | − | 30059 10 | − | X | ÷ | 103 100 | × | 3 100 | ) | × | 28 25 |
| = | 1000000 | − | 15600 | − | 3002841 5 | − | ( | 1000000 | ÷ | 109 100 | × | 9 100 | − | 800971 50 | − | 6917 5 | − | 30059 10 | − | X | ÷ | 103 100 | × | 3 100 | ) | × | 28 25 |
| = | 1919159 5 | − | ( | 1000000 | ÷ | 109 100 | × | 9 100 | − | 800971 50 | − | 6917 5 | − | 30059 10 | − | X | ÷ | 103 100 | × | 3 100 | ) | × | 28 25 |
| = | 1919159 5 | − | 1000000 | ÷ | 109 100 | × | 9 100 | × | 28 25 | + | 800971 50 | × | 28 25 | + | 6917 5 | × | 28 25 | + | 30059 10 | × | 28 25 | + | X |
| = | 1919159 5 | − | 10080000 109 | + | 11213594 625 | + | 193676 125 | + | 420826 125 | + | X | × | 84 2575 |