10 100 | = | ( | 8 100 | × | 100 | ÷ | 55 | × | ( | 1 | − | x | ) | ) | ÷ | 1 | − | ( | 8 100 | × | 100 | ÷ | 55 | × | ( | 1 | − | x | ) | ) |
方程右边 = | 8 100 | × | 100 | ÷ | 55 | × | ( | 1 | − | x | ) | × | 1 | − | ( | 8 100 | × | 100 | ÷ | 55 | × | ( | 1 | − | x | ) | ) |
= | 8 55 | ( | 1 | − | x | ) | − | ( | 8 100 | × | 100 | ÷ | 55 | × | ( | 1 | − | x | ) | ) |
= | 8 55 | × | 1 | − | 8 55 | x | − | ( | 8 100 | × | 100 | ÷ | 55 | × | ( | 1 | − | x | ) | ) |
= | 8 55 | − | 8 55 | x | − | ( | 8 100 | × | 100 | ÷ | 55 | × | ( | 1 | − | x | ) | ) |
= | 8 55 | − | 8 55 | x | − | 8 100 | × | 100 | ÷ | 55 | × | ( | 1 | − | x | ) |
= | 8 55 | − | 8 55 | x | − | 8 55 | ( | 1 | − | x | ) |
= | 8 55 | − | 8 55 | x | − | 8 55 | × | 1 | + | 8 55 | x |
= | 8 55 | − | 8 55 | x | − | 8 55 | + | 8 55 | x |
= | 0 | − | 0 | x |
10 100 | = | 0 | − | 0 | x |
= | - | 0 | − | 10 100 |