( | 21 125 | + | 1323 15625 | x | ) | ÷ | ( | 339 100000 | + | 42 3125 | x | ) | = | 25 |
方程两边同时乘以: | ( | 339 100000 | + | 42 3125 | x | ) |
( | 21 125 | + | 1323 15625 | x | ) | = | 25 | ( | 339 100000 | + | 42 3125 | x | ) |
21 125 | + | 1323 15625 | x | = | 25 | ( | 339 100000 | + | 42 3125 | x | ) |
21 125 | + | 1323 15625 | x | = | 25 | × | 339 100000 | + | 25 | × | 42 3125 | x |
21 125 | + | 1323 15625 | x | = | 339 4000 | + | 42 125 | x |
1323 15625 | x | − | 42 125 | x | = | 339 4000 | − | 21 125 |
- | 3927 15625 | x | = | 339 4000 | − | 21 125 |
- | 3927 15625 | x | = | - | 333 4000 |
333 4000 | = | 3927 15625 | x |
3927 15625 | x | = | 333 4000 |
x | = | 333 4000 | ÷ | 3927 15625 |
= | 333 4000 | × | 15625 3927 |
= | 111 32 | × | 125 1309 |
x | = | 13875 41888 |
x | = | 0.33124 |