a | + | ( | a | − | 100 | ) | ( | ( | 205 | − | 1 | ) | × | 1 200 | ) | = | 0 |
方程左边 = | a | + | a | ( | ( | 205 | − | 1 | ) | × | 1 200 | ) | − | 100 | ( | ( | 205 | − | 1 | ) | × | 1 200 | ) |
= | a | + | a | ( | 205 | − | 1 | ) | × | 1 200 | − | 100 | ( | ( | 205 | − | 1 | ) | × | 1 200 | ) |
= | a | + | a | × | 205 | × | 1 200 | − | a | × | 1 | × | 1 200 | − | 100 | ( | ( | 205 | − | 1 | ) | × | 1 200 | ) |
= | a | + | a | × | 41 40 | − | a | × | 1 200 | − | 100 | ( | ( | 205 | − | 1 | ) | × | 1 200 | ) |
= | 101 50 | a | − | 100 | ( | ( | 205 | − | 1 | ) | × | 1 200 | ) |
= | 101 50 | a | − | 100 | ( | 205 | − | 1 | ) | × | 1 200 |
= | 101 50 | a | − | 1 2 | ( | 205 | − | 1 | ) |
= | 101 50 | a | − | 1 2 | × | 205 | + | 1 2 | × | 1 |
= | 101 50 | a | − | 205 2 | + | 1 2 |
= | 101 50 | a | − | 102 |
101 50 | a | − | 102 | = | 0 |
101 50 | a | = | 0 | + | 102 |
101 50 | a | = | 102 |
a | = | 102 | ÷ | 101 50 |
= | 102 | × | 50 101 |
a | = | 5100 101 |
a | = | 50.49505 |
755.3= | 7553 10 |