在线解一元方程：
直接输入任意的一元方程，然后点击“下一步”按钮，即可获得方程的解。
它支持包含数学函数的方程。
直接输入任意的一元方程，然后点击“下一步”按钮，即可获得方程的解。
它支持包含数学函数的方程。
总述：本次共解1题。其中
☆方程1题
〖 1/1方程〗
作业：求方程 4000/(101×0.12+x)+10000/(x)+7500/(x) = 150 的解.
题型：方程
解:原方程：
| 4000 | ÷ | ( | 101 | × | 3 25 | + | x | ) | + | 10000 | ÷ | ( | x | ) | + | 7500 | ÷ | ( | x | ) | = | 150 |
| 方程两边同时乘以： | ( | 101 | × | 3 25 | + | x | ) |
| 4000 | + | 10000 | ÷ | ( | x | ) | × | ( | 101 | × | 3 25 | + | x | ) | + | 7500 | ÷ | ( | x | ) | × | ( | 101 | × | 3 25 | + | x | ) | = | 150 | ( | 101 | × | 3 25 | + | x | ) |
| 4000 | + | 10000 | ÷ | ( | x | ) | × | 101 | × | 3 25 | + | 10000 | ÷ | ( | x | ) | × | x | + | 7500 | ÷ | ( | x | ) | × | ( | 101 | × | 3 25 | + | x | ) | = | 150 | ( | 101 | × | 3 25 | + | x | ) |
| 4000 | + | 10000 | ÷ | ( | x | ) | × | 101 | × | 3 25 | + | 10000 | ÷ | ( | x | ) | × | x | + | 7500 | ÷ | ( | x | ) | × | ( | 101 | × | 3 25 | + | x | ) | = | 150 | × | 101 | × | 3 25 | + | 150 | x |
| 4000 | + | 121200 | ÷ | ( | x | ) | + | 10000 | ÷ | ( | x | ) | × | x | + | 7500 | ÷ | ( | x | ) | × | ( | 101 | × | 3 25 | + | x | ) | = | 1818 | + | 150 | x |
| 方程两边同时乘以： | ( | x | ) |
| 4000 | ( | x | ) | + | 121200 | + | 10000 | ÷ | ( | 1 | ) | × | 1 | ( | x | ) | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | = | 1818 | ( | x | ) | + | 150 | x | ( | x | ) |
| 4000 | x | + | 121200 | + | 10000 | ÷ | ( | 1 | ) | × | 1 | ( | x | ) | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | = | 1818 | ( | x | ) | + | 150 | x | ( | x | ) |
| 4000 | x | + | 121200 | + | 10000 | ÷ | ( | 1 | ) | × | 1 | ( | x | ) | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | = | 1818 | x | + | 150 | x | ( | x | ) |
| 4000 | x | + | 121200 | + | 10000 | ÷ | ( | 1 | ) | × | ( | x | ) | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | = | 1818 | x | + | 150 | x | ( | x | ) |
| 方程两边同时乘以： | ( | 1 | ) |
| 4000 | x | ( | 1 | ) | + | 121200 | ( | 1 | ) | + | 10000 | ( | x | ) | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | ( | 1 | ) | = | 1818 | x | ( | 1 | ) | + | 150 | x | ( | x | ) | ( | 1 | ) |
| 4000 | x | × | 1 | + | 121200 | ( | 1 | ) | + | 10000 | ( | x | ) | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | ( | 1 | ) | = | 1818 | x | ( | 1 | ) | + | 150 | x | ( | x | ) | ( | 1 | ) |
| 4000 | x | × | 1 | + | 121200 | ( | 1 | ) | + | 10000 | ( | x | ) | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | ( | 1 | ) | = | 1818 | x | × | 1 | + | 150 | x | ( | x | ) | ( | 1 | ) |
| 4000 | x | + | 121200 | ( | 1 | ) | + | 10000 | ( | x | ) | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | ( | 1 | ) | = | 1818 | x | + | 150 | x | ( | x | ) | ( | 1 | ) |
| 4000 | x | + | 121200 | × | 1 | + | 10000 | ( | x | ) | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | ( | 1 | ) | = | 1818 | x | + | 150 | x | ( | x | ) | ( | 1 | ) |
| 4000 | x | + | 121200 | × | 1 | + | 10000 | ( | x | ) | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | ( | 1 | ) | = | 1818 | x | + | 150 | x | x | ( | 1 | ) |
| 4000 | x | + | 121200 | + | 10000 | ( | x | ) | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | ( | 1 | ) | = | 1818 | x | + | 150 | x | x | ( | 1 | ) |
| 4000 | x | + | 121200 | + | 10000 | x | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | ( | 1 | ) | = | 1818 | x | + | 150 | x | x | ( | 1 | ) |
| 4000 | x | + | 121200 | + | 10000 | x | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | ( | 1 | ) | = | 1818 | x | + | 150 | x | x | × | 1 |
| 4000 | x | + | 121200 | + | 10000 | x | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | ( | 1 | ) | = | 1818 | x | + | 150 | x | x |
| 14000 | x | + | 121200 | + | 7500 | ( | 101 | × | 3 25 | + | x | ) | ( | 1 | ) | = | 1818 | x | + | 150 | x | x |
| 14000 | x | + | 121200 | + | 7500 | × | 101 | × | 3 25 | ( | 1 | ) | + | 7500 | x | ( | 1 | ) | = | 1818 | x | + | 150 | x | x |
| 14000 | x | + | 121200 | + | 90900 | ( | 1 | ) | + | 7500 | x | ( | 1 | ) | = | 1818 | x | + | 150 | x | x |
| 14000 | x | + | 121200 | + | 90900 | × | 1 | + | 7500 | x | ( | 1 | ) | = | 1818 | x | + | 150 | x | x |
| 14000 | x | + | 121200 | + | 90900 | + | 7500 | x | ( | 1 | ) | = | 1818 | x | + | 150 | x | x |
方程的解为：
x1≈-10.012344 ，保留6位小数
x2≈141.225677 ，保留6位小数
有 2个解。
解程的详细方法请参阅：《方程的解法》
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