1 10 | = | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) | ÷ | 1 | − | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) |
方程右边 = | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) | − | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) |
1 10 | = | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) | − | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) |
方程右边 = | 2 25 | × | 1 | ÷ | 7 10 | × | ( | 1 | − | X | ) | − | 2 25 | × | 3 20 | ( | 1 | − | X | ) | − | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) |
= | 4 35 | ( | 1 | − | X | ) | − | 3 250 | ( | 1 | − | X | ) | − | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) |
= | 4 35 | × | 1 | − | 4 35 | X | − | 3 250 | ( | 1 | − | X | ) | − | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) |
= | 4 35 | − | 4 35 | X | − | 3 250 | ( | 1 | − | X | ) | − | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) |
= | 4 35 | − | 4 35 | X | − | 3 250 | × | 1 | + | 3 250 | X | − | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) |
= | 4 35 | − | 4 35 | X | − | 3 250 | + | 3 250 | X | − | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) |
= | 179 1750 | − | 179 1750 | X | − | 2 25 | ( | 1 | ÷ | 7 10 | − | 3 20 | ) | ( | 1 | − | X | ) |
= | 179 1750 | − | 179 1750 | X | − | 2 25 | × | 1 | ÷ | 7 10 | × | ( | 1 | − | X | ) | + | 2 25 | × | 3 20 | ( | 1 | − | X | ) |
= | 179 1750 | − | 179 1750 | X | − | 4 35 | ( | 1 | − | X | ) | + | 3 250 | ( | 1 | − | X | ) |
= | 179 1750 | − | 179 1750 | X | − | 4 35 | × | 1 | + | 4 35 | X | + | 3 250 | ( | 1 | − | X | ) |
= | 179 1750 | − | 179 1750 | X | − | 4 35 | + | 4 35 | X | + | 3 250 | ( | 1 | − | X | ) |
= | - | 3 250 | + | 3 250 | X | + | 3 250 | ( | 1 | − | X | ) |
= | - | 3 250 | + | 3 250 | X | + | 3 250 | × | 1 | − | 3 250 | X |
= | - | 3 250 | + | 3 250 | X | + | 3 250 | − | 3 250 | X |
= | - | 0 | + | 0 | X |
1 10 | = | - | 0 | + | 0 | X |
= | 0 | − | 1 10 |