题目内容
| 解方程. x-
|
|
(1)x-
x=
,
(1-
)x=
,
x=
,
x×
=
×
,
x=
;
(2)
+25%x=
,
+
x=
,
+
x-
=
-
,
x=
,
x×4=
×4,
x=
.
| 1 |
| 3 |
| 4 |
| 5 |
(1-
| 1 |
| 3 |
| 4 |
| 5 |
| 2 |
| 3 |
| 4 |
| 5 |
| 2 |
| 3 |
| 3 |
| 2 |
| 4 |
| 5 |
| 3 |
| 2 |
x=
| 6 |
| 5 |
(2)
| 1 |
| 2 |
| 5 |
| 8 |
| 1 |
| 2 |
| 1 |
| 4 |
| 5 |
| 8 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 2 |
| 5 |
| 8 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 8 |
| 1 |
| 4 |
| 1 |
| 8 |
x=
| 1 |
| 2 |
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