题目内容
解方程
(1)
+x=
(2)x-
=
(3)x+(
+
)=2.
(1)
| 1 |
| 4 |
| 11 |
| 12 |
(2)x-
| 3 |
| 16 |
| 5 |
| 8 |
(3)x+(
| 1 |
| 3 |
| 3 |
| 4 |
| 1 |
| 4 |
| 11 |
| 12 |
| 1 |
| 4 |
| 1 |
| 4 |
| 11 |
| 12 |
| 1 |
| 4 |
x=
| 11 |
| 12 |
| 1 |
| 4 |
x=
| 11 |
| 12 |
| 3 |
| 12 |
x=
| 2 |
| 3 |
(2)x-
| 3 |
| 16 |
| 5 |
| 8 |
x-
| 3 |
| 16 |
| 3 |
| 16 |
| 5 |
| 8 |
| 3 |
| 16 |
x=
| 5 |
| 8 |
| 3 |
| 16 |
x=
| 13 |
| 16 |
(3)x+(
| 1 |
| 3 |
| 3 |
| 4 |
x+
| 13 |
| 12 |
x+
| 13 |
| 12 |
| 13 |
| 12 |
| 13 |
| 12 |
x=
| 11 |
| 12 |
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