
求未知数x的值. ①6x+2.4=3.6 ②35:x=1
1个回答
展开全部
①6x+2.4=3.6,
6x+2.4-2.4=3.6-2.4,
6x=1.2,
6x÷6=1.2÷6,
x=0.2;
②
:x=
,
x=
÷
,
x=3;
③x?
x+
=
,
x+
?
=
?
,
x=
,
x÷
=
÷
,
x=5.
6x+2.4-2.4=3.6-2.4,
6x=1.2,
6x÷6=1.2÷6,
x=0.2;
②
3 |
5 |
1 |
5 |
x=
3 |
5 |
1 |
5 |
x=3;
③x?
3 |
4 |
1 |
2 |
7 |
4 |
1 |
4 |
1 |
2 |
1 |
2 |
7 |
4 |
1 |
2 |
1 |
4 |
5 |
4 |
1 |
4 |
1 |
4 |
5 |
4 |
1 |
4 |
x=5.
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