| ( | 24 | ÷ | 5 | − | t | ) | ( | 24 | ÷ | 5 | − | t | ) | − | t | t | ÷ | 4 | = | ( | 96 | ÷ | 85 | − | 4 | ÷ | 5 | × | t | t | ) | ( | 96 | ÷ | 85 | − | 4 | ÷ | 5 | × | t | t | ) |
| 方程左边 = | 24 | ÷ | 5 | × | ( | 24 | ÷ | 5 | − | t | ) | − | t | ( | 24 | ÷ | 5 | − | t | ) | − | t | t | × | 1 4 |
| = | 24 5 | ( | 24 | ÷ | 5 | − | t | ) | − | t | ( | 24 | ÷ | 5 | − | t | ) | − | t | t | × | 1 4 |
| = | 24 5 | × | 24 | ÷ | 5 | − | 24 5 | t | − | t | ( | 24 | ÷ | 5 | − | t | ) | − | t | t | × | 1 4 |
| = | 576 25 | − | 24 5 | t | − | t | ( | 24 | ÷ | 5 | − | t | ) | − | t | t | × | 1 4 |
| = | 576 25 | − | 24 5 | t | − | t | × | 24 | ÷ | 5 | + | t | t | − | t | t | × | 1 4 |
| = | 576 25 | − | 24 5 | t | − | t | × | 24 5 | + | t | t | − | t | t | × | 1 4 |
| = | 576 25 | − | 48 5 | t | + | t | t | − | t | t | × | 1 4 |
576 25 | − | 48 5 | t | + | t | t | − | t | t | × | 1 4 | = | ( | 96 | ÷ | 85 | − | 4 | ÷ | 5 | × | t | t | ) | ( | 96 | ÷ | 85 | − | 4 | ÷ | 5 | × | t | t | ) |
| 方程右边 = | 96 | ÷ | 85 | × | ( | 96 | ÷ | 85 | − | 4 | ÷ | 5 | × | t | t | ) | − | 4 | ÷ | 5 | × | t | t | ( | 96 | ÷ | 85 | − | 4 | ÷ | 5 | × | t | t | ) |
| = | 96 85 | ( | 96 | ÷ | 85 | − | 4 | ÷ | 5 | × | t | t | ) | − | 4 5 | t | t | ( | 96 | ÷ | 85 | − | 4 | ÷ | 5 | × | t | t | ) |
| = | 96 85 | × | 96 | ÷ | 85 | − | 96 85 | × | 4 | ÷ | 5 | × | t | t | − | 4 5 | t | t | ( | 96 | ÷ | 85 | − | 4 | ÷ | 5 | × | t | t | ) |
| = | 9216 7225 | − | 384 425 | t | t | − | 4 5 | t | t | ( | 96 | ÷ | 85 | − | 4 | ÷ | 5 | × | t | t | ) |
| = | 9216 7225 | − | 384 425 | t | t | − | 4 5 | t | t | × | 96 | ÷ | 85 | + | 4 5 | t | t |
| = | 9216 7225 | − | 384 425 | t | t | − | 384 425 | t | t | + | 16 25 | t | t | t | t |
576 25 | − | 48 5 | t | + | t | t | − | t | t | × | 1 4 | = | 9216 7225 | − | 384 425 | t | t | − | 384 425 | t | t | + | 16 25 | t | t | t | t |