| ( | 1 | ÷ | 22 | ) | ( | 1 | ÷ | 22 | ) | + | ( | 10 | ÷ | 22 | − | 10 | c | ) | ( | 10 | ÷ | 22 | − | 10 | c | ) | = | 100 | c | c |
| 方程左边 = | 1 | ÷ | 22 | × | ( | 1 | ÷ | 22 | ) | + | ( | 10 | ÷ | 22 | − | 10 | c | ) | ( | 10 | ÷ | 22 | − | 10 | c | ) |
| = | 1 22 | ( | 1 | ÷ | 22 | ) | + | ( | 10 | ÷ | 22 | − | 10 | c | ) | ( | 10 | ÷ | 22 | − | 10 | c | ) |
| = | 1 22 | × | 1 | ÷ | 22 | + | ( | 10 | ÷ | 22 | − | 10 | c | ) | ( | 10 | ÷ | 22 | − | 10 | c | ) |
| = | 1 484 | + | ( | 10 | ÷ | 22 | − | 10 | c | ) | ( | 10 | ÷ | 22 | − | 10 | c | ) |
| = | 1 484 | + | 10 | ÷ | 22 | × | ( | 10 | ÷ | 22 | − | 10 | c | ) | − | 10 | c | ( | 10 | ÷ | 22 | − | 10 | c | ) |
| = | 1 484 | + | 5 11 | ( | 10 | ÷ | 22 | − | 10 | c | ) | − | 10 | c | ( | 10 | ÷ | 22 | − | 10 | c | ) |
| = | 1 484 | + | 5 11 | × | 10 | ÷ | 22 | − | 5 11 | × | 10 | c | − | 10 | c | ( | 10 | ÷ | 22 | − | 10 | c | ) |
| = | 1 484 | + | 25 121 | − | 50 11 | c | − | 10 | c | ( | 10 | ÷ | 22 | − | 10 | c | ) |
| = | 101 484 | − | 50 11 | c | − | 10 | c | ( | 10 | ÷ | 22 | − | 10 | c | ) |
| = | 101 484 | − | 50 11 | c | − | 10 | c | × | 10 | ÷ | 22 | + | 10 | c | × | 10 | c |
| = | 101 484 | − | 50 11 | c | − | 50 11 | c | + | 100 | c | c |
| = | 101 484 | − | 100 11 | c | + | 100 | c | c |
101 484 | − | 100 11 | c | + | 100 | c | c | = | 100 | c | c |