200 | ÷ | 135 | + | X | ÷ | 126 | − | ( | 1000 | − | X | ) | ÷ | 1000 | = | 381 100 |
方程左边 = | 40 27 | + | X | × | 1 126 | − | ( | 1000 | − | X | ) | × | 1 1000 |
40 27 | + | 1 126 | X | − | ( | 1000 | − | X | ) | × | 1 1000 | = | 381 100 |
方程左边 = | 40 27 | + | 1 126 | X | − | 1000 | × | 1 1000 | + | X | × | 1 1000 |
= | 40 27 | + | 1 126 | X | − | 1 | + | X | × | 1 1000 |
= | 13 27 | + | 563 63000 | X |
13 27 | + | 563 63000 | X | = | 381 100 |
563 63000 | X | = | 381 100 | − | 13 27 |
563 63000 | X | = | 8987 2700 |
X | = | 8987 2700 | ÷ | 563 63000 |
= | 8987 2700 | × | 63000 563 |
= | 8987 3 | × | 70 563 |
X | = | 629090 1689 |
X | = | 372.462996 |