60 100 | − | 40 100 | × | 10 100 | ( | 1 | + | X | ) | ÷ | X | = | 40 100 |
方程两边同时乘以: | X |
60 100 | X | − | 40 100 | × | 10 100 | ( | 1 | + | X | ) | = | 40 100 | X |
60 100 | X | − | 40 100 | × | 10 100 | × | 1 | − | 40 100 | × | 10 100 | X | = | 40 100 | X |
60 100 | X | − | 1 25 | − | 1 25 | X | = | 40 100 | X |
14 25 | X | − | 1 25 | = | 40 100 | X |
14 25 | X | − | 40 100 | X | = | 1 25 |
4 25 | X | = | 1 25 |
X | = | 1 25 | ÷ | 4 25 |
= | 1 25 | × | 25 4 |
= | 1 | × | 1 4 |
X | = | 1 4 |
X | = | 0.25 |