( | 310 | x | x | − | 1107 1000 | × | 2 | x | ) | × | 6283 2000 | ÷ | 4 | = | 3 50 |
方程左边 = | ( | 310 | x | x | − | 1107 1000 | × | 2 | x | ) | × | 6283 8000 |
( | 310 | x | x | − | 1107 1000 | × | 2 | x | ) | × | 6283 8000 | = | 3 50 |
方程左边 = | 310 | x | x | × | 6283 8000 | − | 1107 1000 | × | 2 | x | × | 6283 8000 |
= | 194773 800 | x | x | − | 6955281 4000000 | x |
194773 800 | x | x | − | 6955281 4000000 | x | = | 3 50 |