( | ( | ( | x | × | 289 10000 | ) | + | x | ) | × | 289 10000 | + | x | ) | × | 289 10000 | = | 10867 |
方程左边 = | ( | ( | x | × | 289 10000 | ) | + | x | ) | × | 289 10000 | × | 289 10000 | + | x | × | 289 10000 |
= | ( | ( | x | × | 289 10000 | ) | + | x | ) | × | 83521 100000000 | + | x | × | 289 10000 |
= | ( | x | × | 289 10000 | ) | × | 83521 100000000 | + | x | × | 83521 100000000 | + | 289 10000 | x |