7500 | ÷ | ( | 220 | + | 1872 25 | ) | + | 10000 | ÷ | ( | 220 | + | 312 5 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | = | a |
方程两边同时乘以: | ( | 220 | + | 1872 25 | ) |
7500 | + | 10000 | ÷ | ( | 220 | + | 312 5 | ) | × | ( | 220 | + | 1872 25 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | = | a | ( | 220 | + | 1872 25 | ) |
7500 | + | 10000 | ÷ | ( | 220 | + | 312 5 | ) | × | 220 | + | 10000 | ÷ | ( | 220 | + | 312 5 | ) | × | 1872 25 | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | = | a | ( | 220 | + | 1872 25 | ) |
7500 | + | 10000 | ÷ | ( | 220 | + | 312 5 | ) | × | 220 | + | 10000 | ÷ | ( | 220 | + | 312 5 | ) | × | 1872 25 | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | = | a | × | 220 | + | a | × | 1872 25 |
7500 | + | 2200000 | ÷ | ( | 220 | + | 312 5 | ) | + | 748800 | ÷ | ( | 220 | + | 312 5 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | = | a | × | 220 | + | a | × | 1872 25 |
7500 | + | 2200000 | ÷ | ( | 220 | + | 312 5 | ) | + | 748800 | ÷ | ( | 220 | + | 312 5 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | = | 7372 25 | a |
方程两边同时乘以: | ( | 220 | + | 312 5 | ) |
7500 | ( | 220 | + | 312 5 | ) | + | 2200000 | + | 748800 | ÷ | ( | 220 | + | 312 5 | ) | × | ( | 220 | + | 312 5 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | ( | 220 | + | 312 5 | ) | = | 7372 25 | a | ( | 220 | + | 312 5 | ) |
7500 | × | 220 | + | 7500 | × | 312 5 | + | 2200000 | + | 748800 | ÷ | ( | 220 | + | 312 5 | ) | × | ( | 220 | + | 312 5 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | ( | 220 | + | 312 5 | ) | = | 7372 25 | a | ( | 220 | + | 312 5 | ) |
7500 | × | 220 | + | 7500 | × | 312 5 | + | 2200000 | + | 748800 | ÷ | ( | 220 | + | 312 5 | ) | × | ( | 220 | + | 312 5 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | ( | 220 | + | 312 5 | ) | = | 7372 25 | a | × | 220 | + | 7372 25 | a | × | 312 5 |
1650000 | + | 468000 | + | 2200000 | + | 748800 | ÷ | ( | 220 | + | 312 5 | ) | × | ( | 220 | + | 312 5 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | ( | 220 | + | 312 5 | ) | = | 324368 5 | a | + | 2300064 125 | a |
4318000 | + | 748800 | ÷ | ( | 220 | + | 312 5 | ) | × | ( | 220 | + | 312 5 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | ( | 220 | + | 312 5 | ) | = | 10409264 125 | a |
方程两边同时乘以: | ( | 220 | + | 312 5 | ) |
4318000 | ( | 220 | + | 312 5 | ) | + | 748800 | ( | 220 | + | 312 5 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | ( | 220 | + | 312 5 | ) | ( | 220 | + | 312 5 | ) | = | 10409264 125 | a | ( | 220 | + | 312 5 | ) |
4318000 | × | 220 | + | 4318000 | × | 312 5 | + | 748800 | ( | 220 | + | 312 5 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | ( | 220 | + | 312 5 | ) | ( | 220 | + | 312 5 | ) | = | 10409264 125 | a | ( | 220 | + | 312 5 | ) |
4318000 | × | 220 | + | 4318000 | × | 312 5 | + | 748800 | ( | 220 | + | 312 5 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | ( | 220 | + | 312 5 | ) | ( | 220 | + | 312 5 | ) | = | 10409264 125 | a | × | 220 | + | 10409264 125 | a | × | 312 5 |
949960000 | + | 269443200 | + | 748800 | ( | 220 | + | 312 5 | ) | + | 20000 | ÷ | ( | 220 | + | 52 5 | ) | × | ( | 220 | + | 1872 25 | ) | ( | 220 | + | 312 5 | ) | ( | 220 | + | 312 5 | ) | = | 458007616 25 | a | + | 3247690368 625 | a |