| ( | ( | ( | ( | ( | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | = | 26500 |
| 方程左边 = | ( | ( | ( | ( | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x |
| = | ( | ( | ( | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | × | 6 5 | + | 643 10 | x | × | 6 5 | + | 643 10 | x |
| = | ( | ( | ( | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 36 25 | + | 1929 25 | x | + | 643 10 | x |
| = | ( | ( | ( | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 36 25 | + | 7073 50 | x |
| = | ( | ( | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | × | 36 25 | + | 643 10 | x | × | 36 25 | + | 7073 50 | x |
| = | ( | ( | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 216 125 | + | 11574 125 | x | + | 7073 50 | x |
| = | ( | ( | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 216 125 | + | 58513 250 | x |
| = | ( | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | × | 216 125 | + | 643 10 | x | × | 216 125 | + | 58513 250 | x |
| = | ( | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 1296 625 | + | 69444 625 | x | + | 58513 250 | x |
| = | ( | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 1296 625 | + | 431453 1250 | x |
| = | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | × | 1296 625 | + | 643 10 | x | × | 1296 625 | + | 431453 1250 | x |
| = | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 7776 3125 | + | 416664 3125 | x | + | 431453 1250 | x |
| = | ( | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 7776 3125 | + | 2990593 6250 | x |
| = | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | × | 7776 3125 | + | 643 10 | x | × | 7776 3125 | + | 2990593 6250 | x |
| = | ( | ( | ( | 4250 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 6 5 | + | 643 10 | x | ) | × | 46656 15625 | + | 2499984 15625 | x | + | 2990593 6250 | x |