15 | ÷ | 103 | + | 3 | ÷ | 50 | + | 7 2 | ÷ | 6679 50 | + | X | ÷ | 1000 | + | ( | 364 5 | − | X | ) | ÷ | 1650 | = | 147 500 |
方程左边 = | 15 103 | + | 3 50 | + | 175 6679 | + | X | × | 1 1000 | + | ( | 364 5 | − | X | ) | × | 1 1650 |
= | 7974311 34396850 | + | 1 1000 | X | + | ( | 364 5 | − | X | ) | × | 1 1650 |
7974311 34396850 | + | 1 1000 | X | + | ( | 364 5 | − | X | ) | × | 1 1650 | = | 147 500 |
方程左边 = | 7974311 34396850 | + | 1 1000 | X | + | 364 5 | × | 1 1650 | − | X | × | 1 1650 |
= | 7974311 34396850 | + | 1 1000 | X | + | 182 4125 | − | X | × | 1 1650 |