题目内容
解方程
| X÷
|
|
(1)
X=
×
,
X×
=
×
×
,
X=
;
(2)X÷
=
,
X÷
×
=
×
,
X=
;
(3)
X÷
=12,
X÷
×
=12×
,
X=3,
X×
=3×
,
X=
.
| 8 |
| 9 |
| 1 |
| 6 |
| 16 |
| 51 |
| 8 |
| 9 |
| 9 |
| 8 |
| 1 |
| 6 |
| 16 |
| 51 |
| 9 |
| 8 |
X=
| 1 |
| 17 |
(2)X÷
| 3 |
| 4 |
| 1 |
| 2 |
X÷
| 3 |
| 4 |
| 3 |
| 4 |
| 1 |
| 2 |
| 3 |
| 4 |
X=
| 3 |
| 8 |
(3)
| 2 |
| 3 |
| 1 |
| 4 |
| 2 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 4 |
| 2 |
| 3 |
| 2 |
| 3 |
| 3 |
| 2 |
| 3 |
| 2 |
X=
| 9 |
| 2 |
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