620979 10000000 | = | ( | x | ÷ | ( | 7063 20 | − | 6695210569 10000000 | ) | − | x | ÷ | ( | 7163 20 | − | 6695210569 10000000 | ) | ) | ÷ | ( | x | ÷ | ( | 7163 20 | − | 6695210569 10000000 | ) | − | x | ÷ | ( | 7263 20 | − | 6695210569 10000000 | ) | ) |
| 方程两边同时乘以: | ( | x | ÷ | ( | 7163 20 | − | 6695210569 10000000 | ) | − | x | ÷ | ( | 7263 20 | − | 6695210569 10000000 | ) | ) |
620979 10000000 | ( | x | ÷ | ( | 7163 20 | − | 6695210569 10000000 | ) | − | x | ÷ | ( | 7263 20 | − | 6695210569 10000000 | ) | ) | = | ( | x | ÷ | ( | 7063 20 | − | 6695210569 10000000 | ) | − | x | ÷ | ( | 7163 20 | − | 6695210569 10000000 | ) | ) |
620979 10000000 | x | ÷ | ( | 7163 20 | − | 6695210569 10000000 | ) | − | 620979 10000000 | x | ÷ | ( | 7263 20 | − | 6695210569 10000000 | ) | = | ( | x | ÷ | ( | 7063 20 | − | 6695210569 10000000 | ) | − | x | ÷ | ( | 7163 20 | − | 6695210569 10000000 | ) | ) |
620979 10000000 | x | ÷ | ( | 7163 20 | − | 6695210569 10000000 | ) | − | 620979 10000000 | x | ÷ | ( | 7263 20 | − | 6695210569 10000000 | ) | = | x | ÷ | ( | 7063 20 | − | 6695210569 10000000 | ) | − | x | ÷ | ( | 7163 20 | − | 6695210569 10000000 | ) |
| 方程两边同时乘以: | ( | 7163 20 | − | 6695210569 10000000 | ) | , | ( | 7063 20 | − | 6695210569 10000000 | ) |
620979 10000000 | x | ( | 7063 20 | − | 6695210569 10000000 | ) | − | 620979 10000000 | x | ÷ | ( | 7263 20 | − | 6695210569 10000000 | ) | × | ( | 7163 20 | − | 6695210569 10000000 | ) | ( | 7063 20 | − | 6695210569 10000000 | ) | = | x | ( | 7163 20 | − | 6695210569 10000000 | ) | − | x | ÷ | ( | 7163 20 | − | 6695210569 10000000 | ) | × | ( | 7163 20 | − | 6695210569 10000000 | ) | ( | 7063 20 | − | 6695210569 10000000 | ) |
620979 10000000 | x | × | 7063 20 | − | 620979 10000000 | x | × | 6695210569 10000000 | − | 620979 10000000 | x | ÷ | ( | 7263 20 | − | 6695210569 10000000 | ) | × | ( | 7163 20 | − | 6695210569 10000000 | ) | ( | 7063 20 | − | 6695210569 10000000 | ) | = | x | ( | 7163 20 | − | 6695210569 10000000 | ) | − | x | ÷ | ( | 7163 20 | − | 6695210569 10000000 | ) | × | ( | 7163 20 | − | 6695210569 10000000 | ) | ( | 7063 20 | − | 6695210569 10000000 | ) |
620979 10000000 | x | × | 7063 20 | − | 620979 10000000 | x | × | 6695210569 10000000 | − | 620979 10000000 | x | ÷ | ( | 7263 20 | − | 6695210569 10000000 | ) | × | ( | 7163 20 | − | 6695210569 10000000 | ) | ( | 7063 20 | − | 6695210569 10000000 | ) | = | x | × | 7163 20 | − | x | × | 6695210569 10000000 | − | x | ÷ | ( | 7163 20 | − | 6695210569 10000000 | ) | × | ( | 7163 20 | − | 6695210569 10000000 | ) | ( | 7063 20 | − | 6695210569 10000000 | ) |