| a | a | ÷ | 7 2 | ÷ | 7 2 | + | 1503 250 | × | 1503 250 | ÷ | ( | a | + | 1497 250 | ) | ÷ | ( | a | + | 1497 250 | ) | = | 1 |
| 方程两边同时乘以: | ( | a | + | 1497 250 | ) |
| a | a | ÷ | 7 2 | ÷ | 7 2 | × | ( | a | + | 1497 250 | ) | + | 1503 250 | × | 1503 250 | ÷ | ( | a | + | 1497 250 | ) | = | 1 | ( | a | + | 1497 250 | ) |
| a | a | ÷ | 7 2 | ÷ | 7 2 | × | a | + | a | a | ÷ | 7 2 | ÷ | 7 2 | × | 1497 250 | + | 1503 250 | × | 1503 250 | = | 1 | ( | a | + | 1497 250 | ) |
| a | a | ÷ | 7 2 | ÷ | 7 2 | × | a | + | a | a | ÷ | 7 2 | ÷ | 7 2 | × | 1497 250 | + | 1503 250 | × | 1503 250 | = | 1 | a | + | 1 | × | 1497 250 |
| a | a | × | 4 49 | a | + | a | a | × | 2994 6125 | + | 2259009 62500 | ÷ | ( | a | + | 1497 250 | ) | = | 1 | a | + | 1497 250 |
| 方程两边同时乘以: | ( | a | + | 1497 250 | ) |
| a | a | × | 4 49 | a | ( | a | + | 1497 250 | ) | + | a | a | × | 2994 6125 | ( | a | + | 1497 250 | ) | + | 2259009 62500 | = | 1 | a | ( | a | + | 1497 250 | ) | + | 1497 250 | ( | a | + | 1497 250 | ) |
| a | a | × | 4 49 | a | a | + | a | a | × | 4 49 | a | × | 1497 250 | + | a | a | = | 1 | a | ( | a | + | 1497 250 | ) | + | 1497 250 | ( | a | + | 1497 250 | ) |
| a | a | × | 4 49 | a | a | + | a | a | × | 4 49 | a | × | 1497 250 | + | a | a | = | 1 | a | a | + | 1 | a | × | 1497 250 | + | 1497 250 | ( | a | + | 1497 250 | ) |
| a | a | × | 4 49 | a | a | + | a | a | × | 2994 6125 | a | + | a | a | × | 2994 6125 | = | 1 | a | a | + | 1497 250 | a | + | 1497 250 | ( | a | + | 1497 250 | ) |
| a | a | × | 4 49 | a | a | + | a | a | × | 2994 6125 | a | + | a | a | × | 2994 6125 | = | 1 | a | a | + | 1497 250 | a | + | 1497 250 | ( | a | + | 1497 250 | ) |
| a | a | × | 4 49 | a | a | + | a | a | × | 2994 6125 | a | + | a | a | × | 2994 6125 | = | 1 | a | a | + | 1497 250 | a | + | 1497 250 | a | + | 1497 250 | × | 1497 250 |
| a | a | × | 4 49 | a | a | + | a | a | × | 2994 6125 | a | + | a | a | × | 2994 6125 | = | 1 | a | a | + | 1497 250 | a | + | 1497 250 | a | + | 2241009 62500 |
| a | a | × | 4 49 | a | a | + | a | a | × | 2994 6125 | a | + | a | a | × | 2994 6125 | = | 1 | a | a | + | 1497 125 | a | + | 2241009 62500 |