总述：本次共解1题。其中
☆方程1题
〖 1/1方程〗
作业：求方程 5*（144000+a）/（144000*a）*1/((2/60)+(144000a/(144000+a))+(1/60000)) = 0.3 的解.
题型：方程
解:原方程：| | 5 | ( | 144000 | + | a | ) | ÷ | ( | 144000 | a | ) | × | 1 | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 3 10 |
| | 5 | ( | 144000 | + | a | ) | × | 1 | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 3 10 | ( | 144000 | a | ) |
去掉方程左边的一个括号：
| | 5 | × | 144000 | × | 1 | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 5 | a | × | 1 | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 3 10 | ( | 144000 | a | ) |
去掉方程右边的一个括号：
| | 5 | × | 144000 | × | 1 | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 5 | a | × | 1 | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 3 10 | × | 144000 | a |
方程化简为：
| | 720000 | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 5 | a | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 43200 | a |
| 方程两边同时乘以： | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
| | 720000 | + | 5 | a | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | × | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 43200 | a | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
去掉方程左边的一个括号：
| | 720000 | + | 5 | a | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | × | ( | 2 | ÷ | 60 | ) | + | 5 | a | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | × | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | 5 | a | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 43200 | a | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
去掉方程右边的一个括号：
| | 720000 | + | 5 | a | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | × | ( | 2 | ÷ | 60 | ) | + | 5 | a | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | × | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | 5 | a | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 43200 | a | ( | 2 | ÷ | 60 | ) | + | 43200 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | 43200 | a | ( | 1 | ÷ | 60000 | ) |
| 方程两边同时乘以： | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
| | 720000 | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 5 | a | ( | 2 | ÷ | 60 | ) | + | 5 | a | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | × | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 5 | a | = | 43200 | a | ( | 2 | ÷ | 60 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 43200 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 43200 | a | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
去掉方程左边的一个括号：
| | 720000 | ( | 2 | ÷ | 60 | ) | + | 720000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | 720000 | ( | 1 | ÷ | 60000 | ) | + | 5 | a | ( | 2 | ÷ | 60 | ) | + | 5 | a | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 43200 | a | ( | 2 | ÷ | 60 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 43200 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 43200 | a | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
去掉方程右边的一个括号：
| | 720000 | ( | 2 | ÷ | 60 | ) | + | 720000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | 720000 | ( | 1 | ÷ | 60000 | ) | + | 5 | a | ( | 2 | ÷ | 60 | ) | + | 5 | a | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 43200 | a | × | 2 | ÷ | 60 | × | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 43200 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 43200 | a | ( | 1 | ÷ | 60000 | ) |
方程化简为：
| | 720000 | ( | 2 | ÷ | 60 | ) | + | 720000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | 720000 | ( | 1 | ÷ | 60000 | ) | + | 5 | a | ( | 2 | ÷ | 60 | ) | + | 5 | a | ÷ | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 1440 | a | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 43200 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 43200 | a | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
| 方程两边同时乘以： | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
| | 720000 | ( | 2 | ÷ | 60 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 5 | a | ( | 2 | ÷ | 60 | ) | = | 1440 | a | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 43200 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 43200 | a | ( | 1 | ÷ | 60000 | ) |
去掉方程左边的一个括号：
| | 720000 | × | 2 | ÷ | 60 | × | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 5 | a | = | 1440 | a | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 43200 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 43200 | a | ( | 1 | ÷ | 60000 | ) |
去掉方程右边的一个括号：
| | 720000 | × | 2 | ÷ | 60 | × | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 5 | a | = | 1440 | a | ( | 2 | ÷ | 60 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 1440 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 1440 | a | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
方程化简为：
| | 24000 | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 5 | a | ( | 2 | ÷ | 60 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 1440 | a | ( | 2 | ÷ | 60 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 1440 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 1440 | a | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
| 方程两边同时乘以： | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) |
| | 24000 | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 5 | = | 1440 | a | ( | 2 | ÷ | 60 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 1440 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 1440 | a |
去掉方程左边的一个括号：
| | 24000 | ( | 2 | ÷ | 60 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 24000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 24000 | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 1440 | a | ( | 2 | ÷ | 60 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 1440 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 1440 | a |
去掉方程右边的一个括号：
| | 24000 | ( | 2 | ÷ | 60 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 24000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 24000 | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 1440 | a | × | 2 | ÷ | 60 | × | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 1440 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 1440 |
方程化简为：
| | 24000 | ( | 2 | ÷ | 60 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 24000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 24000 | ( | 1 | ÷ | 60000 | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 720000 | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | = | 48 | a | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | + | 1440 | a | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) | + | ( | 1 | ÷ | 60000 | ) | ) | ( | ( | 2 | ÷ | 60 | ) | + | ( | 144000 | a | ÷ | ( | 144000 | + | a | ) | ) |
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