284 | ÷ | 31 | × | x | + | 341 2 | ÷ | 31 | × | ( | x | + | 15 | ) | + | 173 2 | ÷ | 31 | × | ( | x | + | 30 | ) | = | 1277 |
方程左边 = | 284 31 | x | + | 11 2 | ( | x | + | 15 | ) | + | 173 62 | ( | x | + | 30 | ) |
284 31 | x | + | 11 2 | ( | x | + | 15 | ) | + | 173 62 | ( | x | + | 30 | ) | = | 1277 |
方程左边 = | 284 31 | x | + | 11 2 | x | + | 11 2 | × | 15 | + | 173 62 | ( | x | + | 30 | ) |
= | 284 31 | x | + | 11 2 | x | + | 165 2 | + | 173 62 | ( | x | + | 30 | ) |
= | 909 62 | x | + | 165 2 | + | 173 62 | ( | x | + | 30 | ) |
= | 909 62 | x | + | 165 2 | + | 173 62 | x | + | 173 62 | × | 30 |
= | 909 62 | x | + | 165 2 | + | 173 62 | x | + | 2595 31 |
= | 541 31 | x | + | 10305 62 |
541 31 | x | + | 10305 62 | = | 1277 |
541 31 | x | = | 1277 | − | 10305 62 |
541 31 | x | = | 68869 62 |
x | = | 68869 62 | ÷ | 541 31 |
= | 68869 62 | × | 31 541 |
= | 68869 2 | × | 1 541 |
x | = | 68869 1082 |
x | = | 63.649723 |