2714 | = | ( | r | + | 8 | + | 1 4 | + | 8 | + | 1 4 | + | 9 2 | ) | × | 2 | × | 157 50 | × | 9 | + | ( | r | + | 8 | + | 1 4 | + | 4 | ) | × | 2 | × | 157 50 | × | 8 | + | ( | r | + | 4 | ) | × | 2 | × | 157 50 | × | 8 |
方程右边 = | ( | r | + | 8 | + | 1 4 | + | 8 | + | 1 4 | + | 9 2 | ) | × | 1413 25 | + | ( | r | + | 8 | + | 1 4 | + | 4 | ) | × | 1256 25 | + | ( | r | + | 4 | ) | × | 1256 25 |
2714 | = | ( | r | + | 8 | + | 1 4 | + | 8 | + | 1 4 | + | 9 2 | ) | × | 1413 25 | + | ( | r | + | 8 | + | 1 4 | + | 4 | ) | × | 1256 25 | + | ( | r | + | 4 | ) | × | 1256 25 |
方程右边 = | r | × | 1413 25 | + | 8 | × | 1413 25 | + | 1 4 | × | 1413 25 | + | 8 | × | 1413 25 | + | 1 4 | × | 1413 25 | + | 9 2 | × | 1413 25 |
= | r | × | 1413 25 | + | 11304 25 | + | 1413 100 | + | 11304 25 | + | 1413 100 | + | 12717 50 | + | ( | r | + | 8 | + | 1 4 | + | 4 | ) | × | 1256 25 | + | ( | r | + | 4 | ) | × | 1256 25 |
= | 1413 25 | r | + | 29673 25 | + | ( | r | + | 8 | + | 1 4 | + | 4 | ) | × | 1256 25 | + | ( | r | + | 4 | ) | × | 1256 25 |
= | 1413 25 | r | + | 29673 25 | + | r | × | 1256 25 | + | 8 | × | 1256 25 | + | 1 4 | × | 1256 25 | + | 4 | × | 1256 25 | + | ( | r | + | 4 | ) |
= | 1413 25 | r | + | 29673 25 | + | r | × | 1256 25 | + | 10048 25 | + | 314 25 | + | 5024 25 | + | ( | r | + | 4 | ) | × | 1256 25 |
= | 2669 25 | r | + | 45059 25 | + | ( | r | + | 4 | ) | × | 1256 25 |
= | 2669 25 | r | + | 45059 25 | + | r | × | 1256 25 | + | 4 | × | 1256 25 |
= | 2669 25 | r | + | 45059 25 | + | r | × | 1256 25 | + | 5024 25 |
= | 157 | r | + | 50083 25 |
2714 | = | 157 | r | + | 50083 25 |
- | 157 | r | = | 50083 25 | − | 2714 |
- | 157 | r | = | - | 17767 25 |
17767 25 | = | 157 | r |
157 | r | = | 17767 25 |
r | = | 17767 25 | ÷ | 157 |
= | 17767 25 | × | 1 157 |
r | = | 17767 3925 |
r | = | 4.526624 |