| x | = | ( | 91 | + | 94049 100 | + | 36141 25 | + | 34494 25 | ) | ÷ | 4 | − | 7639 50 | ( | 4063 250 | − | 117 50 | ) | ÷ | 2 | − | 4377 50 | × | 197 50 | ÷ | 2 |
| 方程右边 = | ( | 91 | + | 94049 100 | + | 36141 25 | + | 34494 25 | ) | × | 1 4 | − | 7639 100 | ( | 4063 250 | − | 117 50 | ) | − | 862269 5000 |
| x | = | ( | 91 | + | 94049 100 | + | 36141 25 | + | 34494 25 | ) | × | 1 4 | − | 7639 100 | ( | 4063 250 | − | 117 50 | ) | − | 862269 5000 |
| 方程右边 = | 91 | × | 1 4 | + | 94049 100 | × | 1 4 | + | 36141 25 | × | 1 4 | + | 34494 25 | × | 1 4 | − | 7639 100 | ( | 4063 250 | − | 117 50 | ) | − | 862269 5000 |
| = | 91 4 | + | 94049 400 | + | 36141 100 | + | 17247 50 | − | 7639 100 | ( | 4063 250 | − | 117 50 | ) | − | 862269 5000 |
| = | 7917687 10000 | − | 7639 100 | ( | 4063 250 | − | 117 50 | ) |
| = | 7917687 10000 | − | 7639 100 | × | 4063 250 | + | 7639 100 | × | 117 50 |
| = | 7917687 10000 | − | 31037257 25000 | + | 893763 5000 |