题目内容
解方程
| x÷
|
(1)
x=7,
x×
=7×
,
x=
;
(2)x÷
=
,
x÷
×
=
×
,
x=
.
| 2 |
| 3 |
| 2 |
| 3 |
| 3 |
| 2 |
| 3 |
| 2 |
x=
| 21 |
| 2 |
(2)x÷
| 1 |
| 4 |
| 9 |
| 10 |
x÷
| 1 |
| 4 |
| 1 |
| 4 |
| 9 |
| 10 |
| 1 |
| 4 |
x=
| 9 |
| 40 |
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题目内容
解方程
| x÷
|
| 2 |
| 3 |
| 2 |
| 3 |
| 3 |
| 2 |
| 3 |
| 2 |
| 21 |
| 2 |
| 1 |
| 4 |
| 9 |
| 10 |
| 1 |
| 4 |
| 1 |
| 4 |
| 9 |
| 10 |
| 1 |
| 4 |
| 9 |
| 40 |