1 5 | + | a | ( | 1273 40 | ) | × | 1 5 | ÷ | 157 50 | = | 0 |
方程左边 = | 1 5 | + | a | ( | 1273 40 | ) | × | 10 157 |
1 5 | + | a | ( | 1273 40 | ) | × | 10 157 | = | 0 |
方程左边 = | 1 5 | + | a | × | 1273 40 | × | 10 157 |
= | 1 5 | + | a | × | 1273 628 |
1 5 | + | 1273 628 | a | = | 0 |
1273 628 | a | = | 0 | − | 1 5 |
1273 628 | a | = | - | 1 5 |
a | = | - | 1 5 | ÷ | 1273 628 |
= | - | 1 5 | × | 628 1273 |
a | = | - | 628 6365 |
a | = | - 0.098665 |