题目内容
解方程.
5x-3×
| 5-
|
(1)5x-3×
=
,
5x-
=
,
5x-
+
=
+
,
5x÷5=2÷5,
x=0.4;
(2)5-
x=1,
5-
x+
x=1+
x,
1+
x-1=5-1,
x×
=4×
,
x=6.
| 2 |
| 5 |
| 4 |
| 5 |
5x-
| 6 |
| 5 |
| 4 |
| 5 |
5x-
| 6 |
| 5 |
| 6 |
| 5 |
| 4 |
| 5 |
| 6 |
| 5 |
5x÷5=2÷5,
x=0.4;
(2)5-
| 2 |
| 3 |
5-
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
1+
| 2 |
| 3 |
| 2 |
| 3 |
| 3 |
| 2 |
| 3 |
| 2 |
x=6.
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