68871887 250000000 | = | ( | ( | 516921 25 | + | X | + | ( | ( | 516921 25 | + | X | ) | ÷ | 265000 | ) | ( | - | 665000 | ) | + | 1238893 20 | ) | ) | ÷ | ( | - | 112398 | ) |
方程两边同时乘以: | ( | - | 112398 | ) |
68871887 250000000 | ( | - | 112398 | ) | = | ( | ( | 516921 25 | + | X | + | ( | ( | 516921 25 | + | X | ) | ÷ | 265000 | ) | ( | - | 665000 | ) | + | 1238893 20 | ) | ) |
- | 68871887 250000000 | × | 112398 | = | ( | ( | 516921 25 | + | X | + | ( | ( | 516921 25 | + | X | ) | ÷ | 265000 | ) | ( | - | 665000 | ) | + | 1238893 20 | ) | ) |
- | 68871887 250000000 | × | 112398 | = | ( | 516921 25 | + | X | + | ( | ( | 516921 25 | + | X | ) | ÷ | 265000 | ) | ( | - | 665000 | ) | + | 1238893 20 | ) |