题目内容
已知
=
,则(
)2=
.
| x |
| a |
| 1 |
| 2 |
| x |
| a |
| 1 |
| 4 |
| 1 |
| 4 |
分析:将已知等式代入所求式子中计算即可求出值.
解答:解:∵
=
,
∴(
)2=(
)2=
.
故答案为:
.
| x |
| a |
| 1 |
| 2 |
∴(
| x |
| a |
| 1 |
| 2 |
| 1 |
| 4 |
故答案为:
| 1 |
| 4 |
点评:此题考查了分式的乘除法,熟练掌握法则是解本题的关键.
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