题目内容
解方程:
5x=
|
x÷
|
|
(1)5x=
,
5x×
=
×
,
x=
;
(2)x÷
=
,
x×
×
=
×
,
x=
;
(3)
x+
x=5,
x=5,
x×
=5×
,
x=4.5;
| 35 |
| 49 |
5x×
| 1 |
| 5 |
| 35 |
| 49 |
| 1 |
| 5 |
x=
| 1 |
| 7 |
(2)x÷
| 4 |
| 5 |
| 4 |
| 5 |
x×
| 5 |
| 4 |
| 4 |
| 5 |
| 4 |
| 5 |
| 4 |
| 5 |
x=
| 16 |
| 25 |
(3)
| 2 |
| 9 |
| 8 |
| 9 |
| 10 |
| 9 |
| 10 |
| 9 |
| 9 |
| 10 |
| 9 |
| 10 |
x=4.5;
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