47 1000 | ( | 5 4 | ÷ | ( | 1 | + | 5 4 | ) | ) | ( | 1 | − | 21 100 | ) | + | R | ( | 1 | ÷ | ( | 1 | + | 5 4 | ) | ) | = | 39 500 |
47 1000 | × | 5 4 | ÷ | ( | 1 | + | 5 4 | ) | × | ( | 1 | − | 21 100 | ) | + | R | ( | 1 | ÷ | ( | 1 | + | 5 4 | ) | ) | = | 39 500 |
47 800 | ÷ | ( | 1 | + | 5 4 | ) | × | ( | 1 | − | 21 100 | ) | + | R | ( | 1 | ÷ | ( | 1 | + | 5 4 | ) | ) | = | 39 500 |
| 方程两边同时乘以: | ( | 1 | + | 5 4 | ) |
47 800 | ( | 1 | − | 21 100 | ) | + | R | ( | 1 | ÷ | ( | 1 | + | 5 4 | ) | ) | ( | 1 | + | 5 4 | ) | = | 39 500 | ( | 1 | + | 5 4 | ) |
47 800 | × | 1 | − | 47 800 | × | 21 100 | + | R | ( | 1 | ÷ | ( | 1 | + | 5 4 | ) | ) | ( | 1 | + | 5 4 | ) | = | 39 500 | ( | 1 | + | 5 4 | ) |
47 800 | × | 1 | − | 47 800 | × | 21 100 | + | R | ( | 1 | ÷ | ( | 1 | + | 5 4 | ) | ) | ( | 1 | + | 5 4 | ) | = | 39 500 | × | 1 | + | 39 500 | × | 5 4 |
47 800 | − | 987 80000 | + | R | ( | 1 | ÷ | ( | 1 | + | 5 4 | ) | ) | ( | 1 | + | 5 4 | ) | = | 39 500 | + | 39 400 |
3713 80000 | + | R | ( | 1 | ÷ | ( | 1 | + | 5 4 | ) | ) | ( | 1 | + | 5 4 | ) | = | 351 2000 |
3713 80000 | + | R | × | 1 | ÷ | ( | 1 | + | 5 4 | ) | × | ( | 1 | + | 5 4 | ) | = | 351 2000 |
| 方程两边同时乘以: | ( | 1 | + | 5 4 | ) |
3713 80000 | ( | 1 | + | 5 4 | ) | + | R | × | 1 | ( | 1 | + | 5 4 | ) | = | 351 2000 | ( | 1 | + | 5 4 | ) |
3713 80000 | × | 1 | + | 3713 80000 | × | 5 4 | + | R | × | 1 | ( | 1 | + | 5 4 | ) | = | 351 2000 | ( | 1 | + | 5 4 | ) |
3713 80000 | × | 1 | + | 3713 80000 | × | 5 4 | + | R | × | 1 | ( | 1 | + | 5 4 | ) | = | 351 2000 | × | 1 | + | 351 2000 | × | 5 4 |
3713 80000 | + | 3713 64000 | + | R | × | 1 | ( | 1 | + | 5 4 | ) | = | 351 2000 | + | 351 1600 |
33417 320000 | + | R | × | 1 | ( | 1 | + | 5 4 | ) | = | 3159 8000 |
33417 320000 | + | R | × | 1 | × | 1 | + | R | × | 1 | × | 5 4 | = | 3159 8000 |
33417 320000 | + | R | × | 1 | + | R | × | 5 4 | = | 3159 8000 |
33417 320000 | + | 9 4 | R | = | 3159 8000 |
9 4 | R | = | 3159 8000 | − | 33417 320000 |
9 4 | R | = | 92943 320000 |
| R | = | 92943 320000 | ÷ | 9 4 |
| = | 92943 320000 | × | 4 9 |
| = | 10327 80000 | × | 1 |
| R | = | 10327 80000 |
| R | = | 0.129087 |