1000 | x | ( | 15 100 | + | 30 100 | x | × | 106 | ÷ | 105 | + | 20 100 | x | × | 105 | ÷ | 101 | + | 25 100 | x | × | 115 | ) | = | 0 |
方程左边 = | 1000 | x | × | 15 100 | + | 1000 | x | × | 30 100 | x | × | 106 | ÷ | 105 | + | 1000 | x | × | 20 100 |
= | 150 | x | + | 2120 7 | x | x | + | 21000 101 | x | x | + | 5750 21 | x | x | + | 1750 17 |
150 | x | + | 2120 7 | x | x | + | 21000 101 | x | x | + | 5750 21 | x | x | + | 1750 17 | = | 0 |
x1=0 |