4869 20 | = | 27321 100 | ÷ | ( | 1 | + | x | ÷ | 12 | × | 11 | ) | − | 1353 100 | ÷ | ( | 1 | + | x | ÷ | 12 | × | 8 | ) |
| 方程两边同时乘以: | ( | 1 | + | x | ÷ | 12 | × | 11 | ) |
4869 20 | ( | 1 | + | x | ÷ | 12 | × | 11 | ) | = | 27321 100 | − | 1353 100 | ÷ | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | × | ( | 1 | + | x | ÷ | 12 | × | 11 | ) |
4869 20 | × | 1 | + | 4869 20 | x | ÷ | 12 | × | 11 | = | 27321 100 | − | 1353 100 | ÷ | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | × | ( | 1 | + | x | ÷ | 12 | × | 11 | ) |
4869 20 | × | 1 | + | 4869 20 | x | ÷ | 12 | × | 11 | = | 27321 100 | − | 1353 100 | ÷ | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | × | 1 | − | 1353 100 | ÷ | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | × | x | ÷ | 12 | × | 11 |
4869 20 | + | 17853 80 | x | = | 27321 100 | − | 1353 100 | ÷ | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | − | 4961 400 | ÷ | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | × | x |
| 方程两边同时乘以: | ( | 1 | + | x | ÷ | 12 | × | 8 | ) |
4869 20 | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | + | 17853 80 | x | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | = | 27321 100 | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | − | 1353 100 | − | 4961 400 | x |
4869 20 | × | 1 | + | 4869 20 | x | ÷ | 12 | × | 8 | + | 17853 80 | x | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | = | 27321 100 | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | − | 1353 100 | − | 4961 400 | x |
4869 20 | × | 1 | + | 4869 20 | x | ÷ | 12 | × | 8 | + | 17853 80 | x | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | = | 27321 100 | × | 1 | + | 27321 100 | x | ÷ | 12 | × | 8 | − | 1353 100 | − | 4961 400 | x |
4869 20 | + | 1623 10 | x | + | 17853 80 | x | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | = | 27321 100 | + | 9107 50 | x | − | 1353 100 | − | 4961 400 | x |
4869 20 | + | 1623 10 | x | + | 17853 80 | x | ( | 1 | + | x | ÷ | 12 | × | 8 | ) | = | 6492 25 | + | 13579 80 | x |
4869 20 | + | 1623 10 | x | + | 17853 80 | x | × | 1 | + | 17853 80 | x | x | ÷ | 12 | × | 8 | = | 6492 25 | + | 13579 80 | x |
4869 20 | + | 1623 10 | x | + | 17853 80 | x | + | 5951 40 | x | x | = | 6492 25 | + | 13579 80 | x |
4869 20 | + | 30837 80 | x | + | 5951 40 | x | x | = | 6492 25 | + | 13579 80 | x |