9 4 | × | 1 5 | ÷ | ( | 9 4 | − | x | ) | + | 1 | × | 3 10 | ÷ | ( | 1 | − | x | ) | + | 33 100 | × | 1 10 | ÷ | ( | 33 100 | − | x | ) | + | 21 100 | × | 2 5 | ÷ | ( | 21 100 | − | x | ) | = | 0 |
| 方程两边同时乘以: | ( | 9 4 | − | x | ) |
9 4 | × | 1 5 | + | 1 | × | 3 10 | ÷ | ( | 1 | − | x | ) | × | ( | 9 4 | − | x | ) | + | 33 100 | × | 1 10 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | + | 21 100 | × | 2 5 | = | 0 |
9 4 | × | 1 5 | + | 1 | × | 3 10 | ÷ | ( | 1 | − | x | ) | × | 9 4 | − | 1 | × | 3 10 | ÷ | ( | 1 | − | x | ) | × | x | + | 33 100 | × | 1 10 | = | 0 |
9 20 | + | 27 40 | ÷ | ( | 1 | − | x | ) | − | 3 10 | ÷ | ( | 1 | − | x | ) | × | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | × | ( | 9 4 | − | x | ) | = | 0 |
| 方程两边同时乘以: | ( | 1 | − | x | ) |
9 20 | ( | 1 | − | x | ) | + | 27 40 | − | 3 10 | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | × | ( | 9 4 | − | x | ) | = | 0 |
9 20 | × | 1 | − | 9 20 | x | + | 27 40 | − | 3 10 | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | = | 0 |
9 20 | − | 9 20 | x | + | 27 40 | − | 3 10 | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | = | 0 |
9 8 | − | 3 4 | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | = | 0 |
| 方程两边同时乘以: | ( | 33 100 | − | x | ) |
9 8 | ( | 33 100 | − | x | ) | − | 3 4 | x | ( | 33 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | = | 0 |
9 8 | × | 33 100 | − | 9 8 | x | − | 3 4 | x | ( | 33 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | = | 0 |
297 800 | − | 9 8 | x | − | 3 4 | x | ( | 33 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | × | ( | 9 4 | − | x | ) | = | 0 |
| 方程两边同时乘以: | ( | 21 100 | − | x | ) |
297 800 | ( | 21 100 | − | x | ) | − | 9 8 | x | ( | 21 100 | − | x | ) | − | 3 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | = | 0 |
297 800 | × | 21 100 | − | 297 800 | x | − | 9 8 | x | ( | 21 100 | − | x | ) | − | 3 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | + | 33 1000 | = | 0 |
6237 80000 | − | 297 800 | x | − | 9 8 | x | ( | 21 100 | − | x | ) | − | 3 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | = | 0 |
6237 80000 | − | 297 800 | x | − | 9 8 | x | × | 21 100 | + | 9 8 | x | x | − | 3 4 | x | ( | 33 100 | − | x | ) | = | 0 |
6237 80000 | − | 297 800 | x | − | 189 800 | x | + | 9 8 | x | x | − | 3 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | = | 0 |
6237 80000 | − | 243 400 | x | + | 9 8 | x | x | − | 3 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | = | 0 |
6237 80000 | − | 243 400 | x | + | 9 8 | x | x | − | 3 4 | x | × | 33 100 | ( | 21 100 | − | x | ) | + | 3 4 | x | = | 0 |
6237 80000 | − | 243 400 | x | + | 9 8 | x | x | − | 99 400 | x | ( | 21 100 | − | x | ) | + | 3 4 | x | x | = | 0 |
6237 80000 | − | 243 400 | x | + | 9 8 | x | x | − | 99 400 | x | × | 21 100 | + | 99 400 | x | x | = | 0 |
6237 80000 | − | 243 400 | x | + | 9 8 | x | x | − | 2079 40000 | x | + | 99 400 | x | x | + | 3 4 | = | 0 |
6237 80000 | − | 26379 40000 | x | + | 9 8 | x | x | + | 99 400 | x | x | + | 3 4 | x | x | = | 0 |
6237 80000 | − | 26379 40000 | x | + | 9 8 | x | x | + | 99 400 | x | x | + | 3 4 | x | x | = | 0 |