题目内容
解方程.
x=
(
-
)x=10
(1-
)x=
+
.
| 9 |
| 5 |
| 2 |
| 7 |
(
| 1 |
| 2 |
| 1 |
| 4 |
(1-
| 5 |
| 6 |
| 2 |
| 3 |
| 1 |
| 6 |
①
x=
,
x×
=
×
,
x=
;
②(
-
)x=10,
x=10,
x×4=10×4,
x=40;
③(1-
)x=
+
,
x=
,
x×6=
×6,
x=5;
| 9 |
| 5 |
| 2 |
| 7 |
| 9 |
| 5 |
| 5 |
| 9 |
| 2 |
| 7 |
| 5 |
| 9 |
x=
| 10 |
| 63 |
②(
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 4 |
x=40;
③(1-
| 5 |
| 6 |
| 2 |
| 3 |
| 1 |
| 6 |
| 1 |
| 6 |
| 5 |
| 6 |
| 1 |
| 6 |
| 5 |
| 6 |
x=5;
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