diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index 2c869b1c..2e1e98c0 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -682246,17 +682246,18 @@ }, "024673": { "id": "024673", - "content": "若 $x^2+y^2=1$, $x>0$, $y>0$, 且 $\\log _a(1+x)=m$, $\\log _a \\dfrac{1}{1-x}=n$,则 $\\log _a y$ 等于\n\\fourch{$m+n$}{$m-n$}{$\\dfrac{1}{2}(m+n)$}{$\\dfrac{1}{2}(m-n)$}", + "content": "若 $x^2+y^2=1$, $x>0$, $y>0$, 且 $\\log _a(1+x)=m$, $\\log _a \\dfrac{1}{1-x}=n$,则 $\\log _a y$ 等于\\bracket{20}.\n\\fourch{$m+n$}{$m-n$}{$\\dfrac{1}{2}(m+n)$}{$\\dfrac{1}{2}(m-n)$}", "objs": [], "tags": [], - "genre": "解答题", + "genre": "选择题", "ans": "", "solution": "", "duration": -1, "usages": [], "origin": "导学先锋必修第三章测验试题14", "edit": [ - "20240307\t朱敏慧" + "20240307\t朱敏慧", + "20240307\t" ], "same": [], "related": [],