68871887 250000000 | = | ( | 516921 25 | + | X | + | ( | ( | 516921 25 | + | X | ) | ÷ | 265000 | ) | ( | - | 665000 | ) | + | 1238893 20 | ) | ÷ | ( | 2 | ) |
方程两边同时乘以: | ( | 2 | ) |
68871887 250000000 | ( | 2 | ) | = | ( | 516921 25 | + | X | + | ( | ( | 516921 25 | + | X | ) | ÷ | 265000 | ) | ( | - | 665000 | ) | + | 1238893 20 | ) |
68871887 250000000 | × | 2 | = | ( | 516921 25 | + | X | + | ( | ( | 516921 25 | + | X | ) | ÷ | 265000 | ) | ( | - | 665000 | ) | + | 1238893 20 | ) |
68871887 250000000 | × | 2 | = | 516921 25 | + | X | + | ( | ( | 516921 25 | + | X | ) | ÷ | 265000 | ) | ( | - | 665000 | ) | + | 1238893 20 |
68871887 125000000 | = | 516921 25 | + | X | + | ( | ( | 516921 25 | + | X | ) | ÷ | 265000 | ) | ( | - | 665000 | ) | + | 1238893 20 |
68871887 125000000 | = | 8262149 100 | + | X | + | ( | ( | 516921 25 | + | X | ) | ÷ | 265000 | ) | ( | - | 665000 | ) |
68871887 125000000 | = | 8262149 100 | + | X | + | ( | 516921 25 | + | X | ) | ÷ | 265000 | × | ( | - | 665000 | ) |
68871887 125000000 | = | 8262149 100 | + | X | + | 516921 25 | × | 1 265000 | ( | - | 665000 | ) | + | X | × | 1 265000 | ( | - | 665000 | ) |
68871887 125000000 | = | 8262149 100 | + | X | + | 516921 6625000 | ( | - | 665000 | ) | + | X | × | 1 265000 | ( | - | 665000 | ) |
68871887 125000000 | = | 8262149 100 | + | X | − | 516921 6625000 | × | 665000 | + | X | × | 1 265000 | ( | - | 665000 | ) |