题目内容
| 解方程. x-(1-
| 2x-
|
|
(1)x-(1-
| 3 |
| 7 |
| 1 |
| 4 |
x-
| 4 |
| 7 |
| 1 |
| 4 |
x-
| 4 |
| 7 |
| 4 |
| 7 |
| 1 |
| 4 |
| 4 |
| 7 |
x=
| 23 |
| 28 |
(2)2x-
| 3 |
| 5 |
| 3 |
| 5 |
2x-
| 3 |
| 5 |
| 3 |
| 5 |
| 3 |
| 5 |
| 3 |
| 5 |
2x=1,
2x÷2=1÷2,
x=
| 1 |
| 2 |
(3)
| 1 |
| 5 |
| 2 |
| 3 |
| 7 |
| 4 |
x+
| 13 |
| 15 |
| 7 |
| 4 |
x+
| 13 |
| 15 |
| 13 |
| 15 |
| 7 |
| 4 |
| 13 |
| 15 |
x=
| 53 |
| 60 |
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题目内容
| 解方程. x-(1-
| 2x-
|
|
| 3 |
| 7 |
| 1 |
| 4 |
| 4 |
| 7 |
| 1 |
| 4 |
| 4 |
| 7 |
| 4 |
| 7 |
| 1 |
| 4 |
| 4 |
| 7 |
| 23 |
| 28 |
| 3 |
| 5 |
| 3 |
| 5 |
| 3 |
| 5 |
| 3 |
| 5 |
| 3 |
| 5 |
| 3 |
| 5 |
| 1 |
| 2 |
| 1 |
| 5 |
| 2 |
| 3 |
| 7 |
| 4 |
| 13 |
| 15 |
| 7 |
| 4 |
| 13 |
| 15 |
| 13 |
| 15 |
| 7 |
| 4 |
| 13 |
| 15 |
| 53 |
| 60 |