题目内容
解方程或解比例.
①x÷
|
②2x÷
|
③
|
①x÷
=
,
x÷
×
=
×
,
x=
;
②2x÷
=1,
2x÷
×
=1×
,
2x=
,
2x÷2=
÷2,
x=
;
③
:x=
:
.
x=
×
,
x=
,
x×2=
×2,
x=
.
1 |
5 |
4 |
5 |
x÷
1 |
5 |
1 |
5 |
4 |
5 |
1 |
5 |
x=
4 |
25 |
②2x÷
1 |
6 |
2x÷
1 |
6 |
1 |
6 |
1 |
6 |
2x=
1 |
6 |
2x÷2=
1 |
6 |
x=
1 |
12 |
③
1 |
3 |
1 |
2 |
3 |
5 |
1 |
2 |
1 |
3 |
3 |
5 |
1 |
2 |
1 |
5 |
1 |
2 |
1 |
5 |
x=
2 |
5 |
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