x | ÷ | 72 | + | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | ÷ | 72 | + | ( | ( | x | − | x | ÷ | 27 20 | ) | + | ( | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | ÷ | 27 20 | ) | ) | × | 7 5 | ÷ | 36 | = | 50 |
方程左边 = | x | × | 1 72 | + | ( | x | − | x | ÷ | 27 20 | ) | × | 3 160 | + | ( | ( | x | − | x | ÷ | 27 20 | ) | + | ( | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | ÷ | 27 20 | ) | ) | × | 7 180 |
1 72 | x | + | ( | x | − | x | ÷ | 27 20 | ) | × | 3 160 | + | ( | ( | x | − | x | ÷ | 27 20 | ) | + | ( | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | ÷ | 27 20 | ) | ) | × | 7 180 | = | 50 |
方程左边 = | 1 72 | x | + | x | × | 3 160 | − | x | ÷ | 27 20 | × | 3 160 | + | ( | ( | x | − | x | ÷ | 27 20 | ) | + | ( | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | ÷ | 27 20 | ) | ) | × | 7 180 |
= | 1 72 | x | + | x | × | 3 160 | − | x | × | 1 72 | + | ( | ( | x | − | x | ÷ | 27 20 | ) | + | ( | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | ÷ | 27 20 | ) | ) | × | 7 180 |
= | 3 160 | x | + | ( | ( | x | − | x | ÷ | 27 20 | ) | + | ( | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | ÷ | 27 20 | ) | ) | × | 7 180 |
= | 3 160 | x | + | ( | x | − | x | ÷ | 27 20 | ) | × | 7 180 | + | ( | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | ÷ | 27 20 | ) | × | 7 180 |
= | 3 160 | x | + | x | × | 7 180 | − | x | ÷ | 27 20 | × | 7 180 | + | ( | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | ÷ | 27 20 | ) | × | 7 180 |
= | 3 160 | x | + | x | × | 7 180 | − | x | × | 7 243 | + | ( | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | ÷ | 27 20 | ) | × | 7 180 |
= | 1121 38880 | x | + | ( | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | ÷ | 27 20 | ) | × | 7 180 |
= | 1121 38880 | x | + | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | × | 7 180 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 27 20 | ÷ | 27 20 | × | 7 180 |
= | 1121 38880 | x | + | ( | x | − | x | ÷ | 27 20 | ) | × | 21 400 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 7 180 |
= | 1121 38880 | x | + | x | × | 21 400 | − | x | ÷ | 27 20 | × | 21 400 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 7 180 |
= | 1121 38880 | x | + | x | × | 21 400 | − | x | × | 7 180 | − | ( | x | − | x | ÷ | 27 20 | ) | × | 7 180 |
= | 8251 194400 | x | − | ( | x | − | x | ÷ | 27 20 | ) | × | 7 180 |
= | 8251 194400 | x | − | x | × | 7 180 | + | x | ÷ | 27 20 | × | 7 180 |
= | 8251 194400 | x | − | x | × | 7 180 | + | x | × | 7 243 |
= | 233 7200 | x |
233 7200 | x | = | 50 |
x | = | 50 | ÷ | 233 7200 |
= | 50 | × | 7200 233 |
x | = | 360000 233 |
x | = | 1545.064378 |