修改11929题面
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@ -325709,7 +325709,7 @@
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"011929": {
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"id": "011929",
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"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$y=(x^2-5x+5)^2$, $x\\in \\{1,2\\}$}",
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"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$y=(x^2-5x+5)^2$, $x\\in \\{1,2\\}$}",
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"objs": [],
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"tags": [
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"第二单元"
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@ -325721,7 +325721,8 @@
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"usages": [],
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"origin": "空中课堂必修第一册例题与习题",
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"edit": [
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"20220901\t王伟叶"
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"20220901\t王伟叶",
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"20231107\t王伟叶"
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],
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"same": [],
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"related": [],
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