a | + | ( | a | − | 100 | ) | ( | ( | 155 | − | 1 | ) | × | 1 200 | ) | = | 7553 10 |
方程左边 = | a | + | a | ( | ( | 155 | − | 1 | ) | × | 1 200 | ) | − | 100 | ( | ( | 155 | − | 1 | ) | × | 1 200 | ) |
= | a | + | a | ( | 155 | − | 1 | ) | × | 1 200 | − | 100 | ( | ( | 155 | − | 1 | ) | × | 1 200 | ) |
= | a | + | a | × | 155 | × | 1 200 | − | a | × | 1 | × | 1 200 | − | 100 | ( | ( | 155 | − | 1 | ) | × | 1 200 | ) |
= | a | + | a | × | 31 40 | − | a | × | 1 200 | − | 100 | ( | ( | 155 | − | 1 | ) | × | 1 200 | ) |
= | 177 100 | a | − | 100 | ( | ( | 155 | − | 1 | ) | × | 1 200 | ) |
= | 177 100 | a | − | 100 | ( | 155 | − | 1 | ) | × | 1 200 |
= | 177 100 | a | − | 1 2 | ( | 155 | − | 1 | ) |
= | 177 100 | a | − | 1 2 | × | 155 | + | 1 2 | × | 1 |
= | 177 100 | a | − | 155 2 | + | 1 2 |
= | 177 100 | a | − | 77 |
177 100 | a | − | 77 | = | 7553 10 |
177 100 | a | = | 7553 10 | + | 77 |
177 100 | a | = | 8323 10 |
a | = | 8323 10 | ÷ | 177 100 |
= | 8323 10 | × | 100 177 |
= | 8323 | × | 10 177 |
a | = | 83230 177 |
a | = | 470.225989 |