题目内容
求未知数x的值.
| x-1=
|
| 1 |
| 3 |
| 7 |
| 9 |
| 1 |
| 3 |
| 1 |
| 20 |
| 16 |
| 9 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 20 |
| 16 |
| 9 |
| 1 |
| 3 |
x=
| 4 |
| 15 |
(2)x-1=
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 8 |
| 1 |
| 16 |
| 1 |
| 32 |
x-1=
| 31 |
| 32 |
x-1-
| 31 |
| 32 |
| 31 |
| 32 |
| 31 |
| 32 |
| 1 |
| 32 |
| 1 |
| 32 |
| 1 |
| 32 |
x=32.
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