修改11929题面

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wangweiye7840 2023-11-07 14:37:59 +08:00
parent 3647149147
commit 49f7174557
1 changed files with 3 additions and 2 deletions

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@ -325709,7 +325709,7 @@
},
"011929": {
"id": "011929",
"content": "下列四组函数中, 同组的两个函数是相同函数的是\\bracket{20}.\n\\twoch{$y=\\sqrt {x+1}\\cdot \\sqrt {x-1}$与$y=\\sqrt {(x+1)(x-1)}$}{$y=\\dfrac{x^2}{|x|}$与$y=|x|$}{$y=x^0$与$y=\\dfrac{x^2+1}{x^2+1}$}{$y=1$, $x\\in \\{1,2\\}$与$y=(x^2-5x+5)^2$, $x\\in \\{1,2\\}$}",
"content": "下列四组函数中, 同组的两个函数是相同函数的是\\bracket{20}.\n\\onech{$y=\\sqrt {x+1}\\cdot \\sqrt {x-1}$与$y=\\sqrt {(x+1)(x-1)}$}{$y=\\dfrac{x^2}{|x|}$与$y=|x|$}{$y=x^0$与$y=\\dfrac{x^2+1}{x^2+1}$}{$y=1$, $x\\in \\{1,2\\}$与$y=(x^2-5x+5)^2$, $x\\in \\{1,2\\}$}",
"objs": [],
"tags": [
"第二单元"
@ -325721,7 +325721,8 @@
"usages": [],
"origin": "空中课堂必修第一册例题与习题",
"edit": [
"20220901\t王伟叶"
"20220901\t王伟叶",
"20231107\t王伟叶"
],
"same": [],
"related": [],