题目内容
解方程.
1
|
| x+10%x=110. |
(1)1
| 1 |
| 5 |
1
| 1 |
| 5 |
3x=1
| 1 |
| 5 |
3x÷3=1
| 1 |
| 5 |
x=
| 2 |
| 5 |
(2)
| 4 |
| 5 |
| 2 |
| 3 |
| 1 |
| 5 |
| 22 |
| 15 |
| 1 |
| 5 |
| 22 |
| 15 |
| 22 |
| 15 |
| 1 |
| 5 |
| 22 |
| 15 |
x=
| 3 |
| 2 |
(3)x+10%x=110,
1.1x=110,
1.1x÷1.1=110÷1.1,
x=100.
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