a | + | ( | a | − | 100 | ) | ( | 195 | × | 1 200 | ) | = | 3523 10 |
方程左边 = | a | + | a | ( | 195 | × | 1 200 | ) | − | 100 | ( | 195 | × | 1 200 | ) |
= | a | + | a | × | 195 | × | 1 200 | − | 100 | ( | 195 | × | 1 200 | ) |
= | a | + | a | × | 39 40 | − | 100 | ( | 195 | × | 1 200 | ) |
= | 79 40 | a | − | 100 | ( | 195 | × | 1 200 | ) |
= | 79 40 | a | − | 100 | × | 195 | × | 1 200 |
= | 79 40 | a | − | 195 2 |
79 40 | a | − | 195 2 | = | 3523 10 |
79 40 | a | = | 3523 10 | + | 195 2 |
79 40 | a | = | 2249 5 |
a | = | 2249 5 | ÷ | 79 40 |
= | 2249 5 | × | 40 79 |
= | 2249 | × | 8 79 |
a | = | 17992 79 |
a | = | 227.746835 |