题目内容
解方程
x-
| x÷
|
(1)x-
x=
,
(1-
)x=
,
x=
,
x×
=
×
,
x=
;
(2)x÷
=15×
,
x÷
×
=10×
,
x=
.
| 2 |
| 7 |
| 1 |
| 14 |
(1-
| 2 |
| 7 |
| 1 |
| 14 |
| 5 |
| 7 |
| 1 |
| 14 |
| 5 |
| 7 |
| 7 |
| 5 |
| 1 |
| 14 |
| 7 |
| 5 |
x=
| 1 |
| 10 |
(2)x÷
| 1 |
| 8 |
| 2 |
| 3 |
x÷
| 1 |
| 8 |
| 1 |
| 8 |
| 1 |
| 8 |
x=
| 5 |
| 4 |
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