X | ÷ | 87 | − | 25 | ÷ | 1900 | − | 3 | ÷ | 447 10 | = | 167 100000 | ( | X | + | 28 | ) |
方程左边 = | X | × | 1 87 | − | 1 76 | − | 10 149 |
= | 1 87 | X | − | 909 11324 |
1 87 | X | − | 909 11324 | = | 167 100000 | ( | X | + | 28 | ) |
方程右边 = | 167 100000 | X | + | 167 100000 | × | 28 |
= | 167 100000 | X | + | 1169 25000 |
1 87 | X | − | 909 11324 | = | 167 100000 | X | + | 1169 25000 |
1 87 | X | − | 167 100000 | X | = | 1169 25000 | + | 909 11324 |
85471 8700000 | X | = | 1169 25000 | + | 909 11324 |
85471 8700000 | X | = | 8990689 70775000 |
X | = | 8990689 70775000 | ÷ | 85471 8700000 |
= | 8990689 70775000 | × | 8700000 85471 |
= | 8990689 2831 | × | 348 85471 |
X | = | 3128759772 241968401 |
X | = | 12.930448 |