题目内容
计算：(
+
)÷
=______．
| x |
| x-y |
| y |
| y-x |
| xy |
| x-y |
原式=（
-
）•
=
•
=
．
故答案为
．
| x |
| x-y |
| y |
| x-y |
| x-y |
| xy |
=
| x-y |
| x-y |
| x-y |
| xy |
=
| x-y |
| xy |
故答案为
| x-y |
| xy |
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| x |
| x-y |
| y |
| y-x |
| xy |
| x-y |
| x |
| x-y |
| y |
| x-y |
| x-y |
| xy |
| x-y |
| x-y |
| x-y |
| xy |
| x-y |
| xy |
| x-y |
| xy |
的图象上﹣点，过点A作AB⊥x轴，垂足为点B，线段AB交反比例函数y=
的图象于点C，则△OAC的面积为 ．