7500 | ÷ | ( | 210 | + | 1872 25 | ) | + | 10000 | ÷ | ( | 210 | + | 312 5 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | = | a |
方程两边同时乘以: | ( | 210 | + | 1872 25 | ) |
7500 | + | 10000 | ÷ | ( | 210 | + | 312 5 | ) | × | ( | 210 | + | 1872 25 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | = | a | ( | 210 | + | 1872 25 | ) |
7500 | + | 10000 | ÷ | ( | 210 | + | 312 5 | ) | × | 210 | + | 10000 | ÷ | ( | 210 | + | 312 5 | ) | × | 1872 25 | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | = | a | ( | 210 | + | 1872 25 | ) |
7500 | + | 10000 | ÷ | ( | 210 | + | 312 5 | ) | × | 210 | + | 10000 | ÷ | ( | 210 | + | 312 5 | ) | × | 1872 25 | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | = | a | × | 210 | + | a | × | 1872 25 |
7500 | + | 2100000 | ÷ | ( | 210 | + | 312 5 | ) | + | 748800 | ÷ | ( | 210 | + | 312 5 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | = | a | × | 210 | + | a | × | 1872 25 |
7500 | + | 2100000 | ÷ | ( | 210 | + | 312 5 | ) | + | 748800 | ÷ | ( | 210 | + | 312 5 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | = | 7122 25 | a |
方程两边同时乘以: | ( | 210 | + | 312 5 | ) |
7500 | ( | 210 | + | 312 5 | ) | + | 2100000 | + | 748800 | ÷ | ( | 210 | + | 312 5 | ) | × | ( | 210 | + | 312 5 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | ( | 210 | + | 312 5 | ) | = | 7122 25 | a | ( | 210 | + | 312 5 | ) |
7500 | × | 210 | + | 7500 | × | 312 5 | + | 2100000 | + | 748800 | ÷ | ( | 210 | + | 312 5 | ) | × | ( | 210 | + | 312 5 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | ( | 210 | + | 312 5 | ) | = | 7122 25 | a | ( | 210 | + | 312 5 | ) |
7500 | × | 210 | + | 7500 | × | 312 5 | + | 2100000 | + | 748800 | ÷ | ( | 210 | + | 312 5 | ) | × | ( | 210 | + | 312 5 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | ( | 210 | + | 312 5 | ) | = | 7122 25 | a | × | 210 | + | 7122 25 | a | × | 312 5 |
1575000 | + | 468000 | + | 2100000 | + | 748800 | ÷ | ( | 210 | + | 312 5 | ) | × | ( | 210 | + | 312 5 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | ( | 210 | + | 312 5 | ) | = | 299124 5 | a | + | 2222064 125 | a |
4143000 | + | 748800 | ÷ | ( | 210 | + | 312 5 | ) | × | ( | 210 | + | 312 5 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | ( | 210 | + | 312 5 | ) | = | 9700164 125 | a |
方程两边同时乘以: | ( | 210 | + | 312 5 | ) |
4143000 | ( | 210 | + | 312 5 | ) | + | 748800 | ( | 210 | + | 312 5 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | ( | 210 | + | 312 5 | ) | ( | 210 | + | 312 5 | ) | = | 9700164 125 | a | ( | 210 | + | 312 5 | ) |
4143000 | × | 210 | + | 4143000 | × | 312 5 | + | 748800 | ( | 210 | + | 312 5 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | ( | 210 | + | 312 5 | ) | ( | 210 | + | 312 5 | ) | = | 9700164 125 | a | ( | 210 | + | 312 5 | ) |
4143000 | × | 210 | + | 4143000 | × | 312 5 | + | 748800 | ( | 210 | + | 312 5 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | ( | 210 | + | 312 5 | ) | ( | 210 | + | 312 5 | ) | = | 9700164 125 | a | × | 210 | + | 9700164 125 | a | × | 312 5 |
870030000 | + | 258523200 | + | 748800 | ( | 210 | + | 312 5 | ) | + | 30000 | ÷ | ( | 210 | + | 52 5 | ) | × | ( | 210 | + | 1872 25 | ) | ( | 210 | + | 312 5 | ) | ( | 210 | + | 312 5 | ) | = | 407406888 25 | a | + | 3026451168 625 | a |