题目内容
解方程.
x÷
=
x-
=
(1-
)x=24.
x÷
| 6 |
| 7 |
| 1 |
| 3 |
| 4 |
| 15 |
| 3 |
| 5 |
| 1 |
| 7 |
(1)x÷
=
,
x÷
×
=
×
,
x=
;
(2)x-
=
,
x-
+
=
+
,
x=
;
(3)(1-
)x=24,
x=24,
x×
=24×
,
x=28.
| 6 |
| 7 |
| 1 |
| 3 |
x÷
| 6 |
| 7 |
| 6 |
| 7 |
| 1 |
| 3 |
| 6 |
| 7 |
x=
| 2 |
| 7 |
(2)x-
| 4 |
| 15 |
| 3 |
| 5 |
x-
| 4 |
| 15 |
| 4 |
| 15 |
| 3 |
| 5 |
| 4 |
| 15 |
x=
| 13 |
| 15 |
(3)(1-
| 1 |
| 7 |
| 6 |
| 7 |
| 6 |
| 7 |
| 7 |
| 6 |
| 7 |
| 6 |
x=28.
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