题目内容
解方程:
|
| ||||||||
h÷
| (1-
|
(1)
÷x=
÷x×x=
x
x=
x÷
=
÷
x=
;
(2)
×x=
×x÷
=
÷
x=
;
(3)x÷
=
x÷
×
=
×
x=
;
(4)(1-
)x=
x=
x÷
=
÷
x=2.
| 你 |
| v |
| 2 |
| 3 |
| 你 |
| v |
| 2 |
| 3 |
| 2 |
| 3 |
| 你 |
| v |
| 2 |
| 3 |
| 2 |
| 3 |
| 你 |
| v |
| 2 |
| 3 |
x=
| 你 |
| 6 |
(2)
| 3 |
| 8 |
| 1 |
| 4 |
| 3 |
| 8 |
| 3 |
| 8 |
| 1 |
| 4 |
| 3 |
| 8 |
x=
| 2 |
| 3 |
(3)x÷
| 7 |
| 14 |
| 3 |
| 7 |
x÷
| 7 |
| 14 |
| 7 |
| 14 |
| 3 |
| 7 |
| 7 |
| 14 |
x=
| 3 |
| 14 |
(4)(1-
| 3 |
| 4 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 4 |
x=2.
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