20221208 noon test

工具/文本文件/metadata.txt

@@ -1,37 +1,3 @@
 ans
 
-008894
+test
-$[1,5)\cup (5,+\infty)$
-
-002314
-$(3,4)\cup (4,5)$
-
-000271
-$\dfrac{\sqrt{5}-1}2$
-
-009823
-最大值为$10$, 最小值为$2$
-
-030483
-$\pm 1$
-
-002369
-$\dfrac{x^2}{9/2}-\dfrac{y^2}{9/2}=1$
-
-008910
-B
-
-003421
-$\arccos \dfrac 13$
-
-008912
-$x^2-\dfrac{y^2}9=1$或$\dfrac{y^2}{81}-\dfrac{x^2}9=1$
-
-030484
-$90^{\circ}$
-
-002391
-(1) $y=x$($x>\sqrt{2}$或$y<-\sqrt{2}$); (2) $2x^2-y^2-4x+y=0$, 能取到每一个点
-
-002435
-(1) $y=\sqrt{3}x+1$; (2) $y=\dfrac{1+\sqrt{7}}2x+\dfrac{1-\sqrt{7}}2$或$y=\dfrac{1-\sqrt{7}}2x+\dfrac{1+\sqrt{7}}2$