题目内容
代数式
+
+
+
的化简结果是（ ）
| 1 |
| x-1 |
| 1 |
| x+1 |
| 2x |
| x2+1 |
| 4x3 |
| x4+1 |
A．
| B．
| C．
| D．
|
| 1 |
| x-1 |
| 1 |
| x+1 |
| 2x |
| x2+1 |
| 4x3 |
| x4+1 |
=
| 2x |
| x2-1 |
| 2x |
| x2+1 |
| 4x3 |
| x4+1 |
=
| 4x3 |
| x4-1 |
| 4x3 |
| x4+1 |
=
| 8x7 |
| x8-1 |
故选D．
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相关题目
代数式
+
+
+
的化简结果是（ ）
| 1 |
| x-1 |
| 1 |
| x+1 |
| 2x |
| x2+1 |
| 4x3 |
| x4+1 |
A、
| ||
B、
| ||
C、
| ||
D、
|