题目内容
解方程.
X+
X=
X-
X=
2X-
=
.
| 2 |
| 15 |
| 5 |
| 6 |
| 29 |
| 40 |
X-
| 3 |
| 5 |
| 8 |
| 9 |
2X-
| 3 |
| 4 |
| 1 |
| 8 |
| 2 |
| 15 |
| 5 |
| 6 |
| 29 |
| 40 |
(
| 2 |
| 15 |
| 5 |
| 6 |
| 29 |
| 40 |
| 29 |
| 30 |
| 29 |
| 40 |
x=
| 29 |
| 40 |
| 29 |
| 30 |
x=
| 3 |
| 4 |
X-
| 3 |
| 5 |
| 8 |
| 9 |
(1-
| 3 |
| 5 |
| 8 |
| 9 |
| 2 |
| 5 |
| 8 |
| 9 |
x=
| 8 |
| 9 |
| 2 |
| 5 |
x=
| 20 |
| 9 |
2X-
| 3 |
| 4 |
| 1 |
| 8 |
2x=
| 1 |
| 8 |
| 3 |
| 4 |
2x=
| 7 |
| 8 |
x=
| 7 |
| 8 |
x=
| 7 |
| 16 |
故答案是x=
| 3 |
| 4 |
| 20 |
| 9 |
| 7 |
| 16 |
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