| ( | 35 | ( | 1 | − | 5 | ÷ | 2 | × | m% | ) | − | 20 | ) | ( | 150 | + | 15 | ÷ | 2 | × | m | ) | = | 5670 |
| 方程左边 = | 35 | ( | 1 | − | 5 | ÷ | 2 | × | m% | ) | ( | 150 | + | 15 | ÷ | 2 | × | m | ) | − | 20 | ( | 150 | + | 15 | ÷ | 2 | × | m | ) |
| = | 35 | × | 1 | ( | 150 | + | 15 | ÷ | 2 | × | m | ) | − | 35 | × | 5 | ÷ | 2 | × | m% | ( | 150 | + | 15 | ÷ | 2 | × | m | ) | − | 20 | ( | 150 | + | 15 | ÷ | 2 | × | m | ) |
| = | 35 | ( | 150 | + | 15 | ÷ | 2 | × | m | ) | − | 7 8 | m | ( | 150 | + | 15 | ÷ | 2 | × | m | ) | − | 20 | ( | 150 | + | 15 | ÷ | 2 | × | m | ) |
| = | 35 | × | 150 | + | 35 | × | 15 | ÷ | 2 | × | m | − | 7 8 | m | ( | 150 | + | 15 | ÷ | 2 | × | m | ) | − | 20 | ( | 150 | + | 15 | ÷ | 2 | × | m | ) |
| = | 5250 | + | 525 2 | m | − | 7 8 | m | ( | 150 | + | 15 | ÷ | 2 | × | m | ) | − | 20 | ( | 150 | + | 15 | ÷ | 2 | × | m | ) |
| = | 5250 | + | 525 2 | m | − | 7 8 | m | × | 150 | − | 7 8 | m | × | 15 | ÷ | 2 | × | m | − | 20 |
| = | 5250 | + | 525 2 | m | − | 525 4 | m | − | 105 16 | m | m | − | 20 | ( | 150 | + | 15 | ÷ | 2 | × | m | ) |
| = | 5250 | + | 525 4 | m | − | 105 16 | m | m | − | 20 | ( | 150 | + | 15 | ÷ | 2 | × | m | ) |
| = | 5250 | + | 525 4 | m | − | 105 16 | m | m | − | 20 | × | 150 | − | 20 | × | 15 | ÷ | 2 | × | m |
| = | 5250 | + | 525 4 | m | − | 105 16 | m | m | − | 3000 | − | 150 | m |
| = | 2250 | − | 75 4 | m | − | 105 16 | m | m |
| 2250 | − | 75 4 | m | − | 105 16 | m | m | = | 5670 |