9 20 | ÷ | ( | 9 4 | − | x | ) | + | 3 100 | ÷ | ( | 1 | − | x | ) | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | = | 1 |
方程两边同时乘以: | ( | 9 4 | − | x | ) |
9 20 | + | 3 100 | ÷ | ( | 1 | − | x | ) | × | ( | 9 4 | − | x | ) | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | × | ( | 9 4 | − | x | ) | = | 1 | ( | 9 4 | − | x | ) |
9 20 | + | 3 100 | ÷ | ( | 1 | − | x | ) | × | 9 4 | − | 3 100 | ÷ | ( | 1 | − | x | ) | × | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | = | 1 | ( | 9 4 | − | x | ) |
9 20 | + | 3 100 | ÷ | ( | 1 | − | x | ) | × | 9 4 | − | 3 100 | ÷ | ( | 1 | − | x | ) | × | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | = | 1 | × | 9 4 | − | 1 | x |
9 20 | + | 27 400 | ÷ | ( | 1 | − | x | ) | − | 3 100 | ÷ | ( | 1 | − | x | ) | × | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | × | ( | 9 4 | − | x | ) | = | 9 4 | − | 1 | x |
方程两边同时乘以: | ( | 1 | − | x | ) |
9 20 | ( | 1 | − | x | ) | + | 27 400 | − | 3 100 | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | × | ( | 9 4 | − | x | ) | = | 9 4 | ( | 1 | − | x | ) | − | 1 | x | ( | 1 | − | x | ) |
9 20 | × | 1 | − | 9 20 | x | + | 27 400 | − | 3 100 | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | = | 9 4 | ( | 1 | − | x | ) | − | 1 | x | ( | 1 | − | x | ) |
9 20 | × | 1 | − | 9 20 | x | + | 27 400 | − | 3 100 | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | = | 9 4 | × | 1 | − | 9 4 | x | − | 1 | x | ( | 1 | − | x | ) |
9 20 | − | 9 20 | x | + | 27 400 | − | 3 100 | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | = | 9 4 | − | 9 4 | x | − | 1 | x | ( | 1 | − | x | ) |
207 400 | − | 12 25 | x | + | 33 1000 | ÷ | ( | 33 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | = | 9 4 | − | 9 4 | x | − | 1 | x | ( | 1 | − | x | ) |
方程两边同时乘以: | ( | 33 100 | − | x | ) |
207 400 | ( | 33 100 | − | x | ) | − | 12 25 | x | ( | 33 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | × | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | = | 9 4 | ( | 33 100 | − | x | ) | − | 9 4 | x | ( | 33 100 | − | x | ) | − | 1 | x | ( | 1 | − | x | ) | ( | 33 100 | − | x | ) |
207 400 | × | 33 100 | − | 207 400 | x | − | 12 25 | x | ( | 33 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | = | 9 4 | ( | 33 100 | − | x | ) | − | 9 4 | x | ( | 33 100 | − | x | ) | − | 1 | x | ( | 1 | − | x | ) | ( | 33 100 | − | x | ) |
207 400 | × | 33 100 | − | 207 400 | x | − | 12 25 | x | ( | 33 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | = | 9 4 | × | 33 100 | − | 9 4 | x | − | 9 4 | x | ( | 33 100 | − | x | ) | − | 1 | x | ( | 1 | − | x | ) | ( | 33 100 | − | x | ) |
6831 40000 | − | 207 400 | x | − | 12 25 | x | ( | 33 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | + | 21 250 | ÷ | ( | 21 100 | − | x | ) | × | ( | 9 4 | − | x | ) | = | 297 400 | − | 9 4 | x | − | 9 4 | x | ( | 33 100 | − | x | ) | − | 1 | x | ( | 1 | − | x | ) | ( | 33 100 | − | x | ) |
方程两边同时乘以: | ( | 21 100 | − | x | ) |
6831 40000 | ( | 21 100 | − | x | ) | − | 207 400 | x | ( | 21 100 | − | x | ) | − | 12 25 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | ( | 1 | − | x | ) | = | 297 400 | ( | 21 100 | − | x | ) | − | 9 4 | x | ( | 21 100 | − | x | ) | − | 9 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | − | 1 | x | ( | 1 | − | x | ) |
6831 40000 | × | 21 100 | − | 6831 40000 | x | − | 207 400 | x | ( | 21 100 | − | x | ) | − | 12 25 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | + | 33 1000 | = | 297 400 | ( | 21 100 | − | x | ) | − | 9 4 | x | ( | 21 100 | − | x | ) | − | 9 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | − | 1 | x | ( | 1 | − | x | ) |
6831 40000 | × | 21 100 | − | 6831 40000 | x | − | 207 400 | x | ( | 21 100 | − | x | ) | − | 12 25 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | + | 33 1000 | = | 297 400 | × | 21 100 | − | 297 400 | x | − | 9 4 | x | ( | 21 100 | − | x | ) | − | 9 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | − | 1 |
143451 4000000 | − | 6831 40000 | x | − | 207 400 | x | ( | 21 100 | − | x | ) | − | 12 25 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | = | 6237 40000 | − | 297 400 | x | − | 9 4 | x | ( | 21 100 | − | x | ) | − | 9 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | − | 1 | x |
143451 4000000 | − | 6831 40000 | x | − | 207 400 | x | × | 21 100 | + | 207 400 | x | x | − | 12 25 | x | ( | 33 100 | − | x | ) | = | 6237 40000 | − | 297 400 | x | − | 9 4 | x | ( | 21 100 | − | x | ) | − | 9 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | − | 1 | x |
143451 4000000 | − | 6831 40000 | x | − | 207 400 | x | × | 21 100 | + | 207 400 | x | x | − | 12 25 | x | ( | 33 100 | − | x | ) | = | 6237 40000 | − | 297 400 | x | − | 9 4 | x | × | 21 100 | + | 9 4 | x | x | − | 9 4 | x | ( | 33 100 | − | x | ) |
143451 4000000 | − | 6831 40000 | x | − | 4347 40000 | x | + | 207 400 | x | x | − | 12 25 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | = | 6237 40000 | − | 297 400 | x | − | 189 400 | x | + | 9 4 | x | x | − | 9 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) |
143451 4000000 | − | 5589 20000 | x | + | 207 400 | x | x | − | 12 25 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | + | 33 1000 | ( | 9 4 | − | x | ) | = | 6237 40000 | − | 243 200 | x | + | 9 4 | x | x | − | 9 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | − | 1 | x |
143451 4000000 | − | 5589 20000 | x | + | 207 400 | x | x | − | 12 25 | x | × | 33 100 | ( | 21 100 | − | x | ) | + | 12 25 | x | = | 6237 40000 | − | 243 200 | x | + | 9 4 | x | x | − | 9 4 | x | ( | 33 100 | − | x | ) | ( | 21 100 | − | x | ) | − | 1 | x |