( | X | − | 163720 | ) | ÷ | X | = | 1 2 |
方程两边同时乘以: | X |
( | X | − | 163720 | ) | = | 1 2 | X |
X | − | 163720 | = | 1 2 | X |
X | − | 1 2 | X | = | 163720 |
1 2 | X | = | 163720 |
X | = | 163720 | ÷ | 1 2 |
= | 163720 | × | 2 |
X | = | 327440 |
( | X | − | 207260 | ) | ÷ | X | = | 1 2 |
方程两边同时乘以: | X |
( | X | − | 207260 | ) | = | 1 2 | X |
X | − | 207260 | = | 1 2 | X |
X | − | 1 2 | X | = | 207260 |
1 2 | X | = | 207260 |
X | = | 207260 | ÷ | 1 2 |
= | 207260 | × | 2 |
X | = | 414520 |
( | X | − | 304220 | ) | ÷ | X | = | 1 2 |
方程两边同时乘以: | X |
( | X | − | 304220 | ) | = | 1 2 | X |
X | − | 304220 | = | 1 2 | X |
X | − | 1 2 | X | = | 304220 |
1 2 | X | = | 304220 |
X | = | 304220 | ÷ | 1 2 |
= | 304220 | × | 2 |
X | = | 608440 |
( | X | − | 219840 | ) | ÷ | X | = | 1 2 |
方程两边同时乘以: | X |
( | X | − | 219840 | ) | = | 1 2 | X |
X | − | 219840 | = | 1 2 | X |
X | − | 1 2 | X | = | 219840 |
1 2 | X | = | 219840 |
X | = | 219840 | ÷ | 1 2 |
= | 219840 | × | 2 |
X | = | 439680 |
( | X | − | 258940 | ) | ÷ | X | = | 1 2 |
方程两边同时乘以: | X |
( | X | − | 258940 | ) | = | 1 2 | X |
X | − | 258940 | = | 1 2 | X |
X | − | 1 2 | X | = | 258940 |
1 2 | X | = | 258940 |
X | = | 258940 | ÷ | 1 2 |
= | 258940 | × | 2 |
X | = | 517880 |