题目内容
解方程.①X-
=
②6X-
=
.
| 5 |
| 12 |
| 3 |
| 8 |
| 2 |
| 3 |
| 1 |
| 3 |
①X-
=
,
X-
+
=
+
,
X=
;
②6X-
=
,
6X-
+
=
+
,
6X=1,
6X÷6=1÷6,
X=
.
| 5 |
| 12 |
| 3 |
| 8 |
X-
| 5 |
| 12 |
| 5 |
| 12 |
| 3 |
| 8 |
| 5 |
| 12 |
X=
| 19 |
| 24 |
②6X-
| 2 |
| 3 |
| 1 |
| 3 |
6X-
| 2 |
| 3 |
| 2 |
| 3 |
| 1 |
| 3 |
| 2 |
| 3 |
6X=1,
6X÷6=1÷6,
X=
| 1 |
| 6 |
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