问题
解答题
解方程．
|
答案
（1）5X-3×
| 7 |
| 10 |
| 7 |
| 5 |
5x-
| 21 |
| 10 |
| 7 |
| 5 |
5x-
| 21 |
| 10 |
| 21 |
| 10 |
| 7 |
| 5 |
| 21 |
| 10 |
5x=
| 7 |
| 2 |
5x÷5=
| 7 |
| 2 |
x=
| 7 |
| 10 |
（2）
| 4 |
| 5 |
| 1 |
| 2 |
| 9 |
| 10 |
| 4 |
| 5 |
| 1 |
| 2 |
| 4 |
| 5 |
| 9 |
| 10 |
| 4 |
| 5 |
| 1 |
| 2 |
| 1 |
| 10 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 10 |
| 1 |
| 2 |
x=
| 1 |
| 5 |
搜题请搜索小程序“爱下问搜题”
解方程．
|
（1）5X-3×
| 7 |
| 10 |
| 7 |
| 5 |
5x-
| 21 |
| 10 |
| 7 |
| 5 |
5x-
| 21 |
| 10 |
| 21 |
| 10 |
| 7 |
| 5 |
| 21 |
| 10 |
5x=
| 7 |
| 2 |
5x÷5=
| 7 |
| 2 |
x=
| 7 |
| 10 |
（2）
| 4 |
| 5 |
| 1 |
| 2 |
| 9 |
| 10 |
| 4 |
| 5 |
| 1 |
| 2 |
| 4 |
| 5 |
| 9 |
| 10 |
| 4 |
| 5 |
| 1 |
| 2 |
| 1 |
| 10 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 10 |
| 1 |
| 2 |
x=
| 1 |
| 5 |