题目内容
解方程
①2x-
=
②
+x=
.
①2x-
| 5 |
| 6 |
| 1 |
| 6 |
②
| 3 |
| 16 |
| 3 |
| 8 |
①2x-
| 5 |
| 6 |
| 1 |
| 6 |
2x-
| 5 |
| 6 |
| 5 |
| 6 |
| 1 |
| 6 |
| 5 |
| 6 |
2x=1,
2x÷2=1÷2,
x=0.5;
②
| 3 |
| 16 |
| 3 |
| 8 |
| 3 |
| 16 |
| 3 |
| 16 |
| 3 |
| 8 |
| 3 |
| 16 |
x=
| 3 |
| 16 |
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