题目内容
解方程.
3X=
| X÷
|
(1)3X=
,
3X÷3=
÷3,
X=
;
(2)X÷
=
,
X÷
×
=
×
,
X=
.
| 3 |
| 8 |
3X÷3=
| 3 |
| 8 |
X=
| 1 |
| 8 |
(2)X÷
| 2 |
| 7 |
| 7 |
| 16 |
X÷
| 2 |
| 7 |
| 2 |
| 7 |
| 7 |
| 16 |
| 2 |
| 7 |
X=
| 1 |
| 8 |
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题目内容
3X=
| X÷
|
| 3 |
| 8 |
| 3 |
| 8 |
| 1 |
| 8 |
| 2 |
| 7 |
| 7 |
| 16 |
| 2 |
| 7 |
| 2 |
| 7 |
| 7 |
| 16 |
| 2 |
| 7 |
| 1 |
| 8 |