录入华二期中考试答案

This commit is contained in:
weiye.wang 2023-04-23 21:29:43 +08:00
parent 62c85dc406
commit 6ba5eb4dd3
2 changed files with 60 additions and 61 deletions

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@ -1,66 +1,65 @@
ans
40605
$6$
15248
$\sqrt{10}$
40606
$90$
15249
$(0,+\infty)$
40607
$10$
15250
$11$
40608
$15$
15251
$-10$
40609
$24$
15252
$-\sin(x-\dfrac\pi 3)$
40610
$(0,\dfrac{9\sqrt{2}-2}4]$
15253
$-1$
40611
$540$
15254
$112$
40612
$\dfrac{16\pi}3$
15255
$5$
40613
$35$
15256
$2\sqrt{2}$
40614
\textcircled{2}\textcircled{4}
15257
$(0,\dfrac{4}{\mathrm{e}^2})$
40615
$[6,+\infty)$
15258
$17$
40616
$\log_2 \mathrm{e}$
15259
$8$
40617
C
15260
40618
A
15261
40619
D
15262
D
15263
40620
B
15264
(1) $y=1$; (2) 最大值为$\mathrm{e}-1$, 最小值为$1$
40621
(1) $\dfrac{\sqrt{10}}{10}$; (2) $\dfrac{3\sqrt{5}}{5}$
15265
(1) $\arcsin\dfrac{\sqrt{6}}6$; (2) $\arccos\dfrac{2\sqrt{5}}5$或$\pi-\arccos\dfrac{2\sqrt{5}}5$
40622
(1) $80$; (2) $1$或$-3$
15266
(1) 在$(0,1]$上是严格减函数, 在$[1,+\infty)$上是严格增函数; (2) $(0,\dfrac{8}{13}]\cup [\sqrt{6},+\infty)$
40623
(1) $\pm \sqrt{3}$; (2) 存在, 点$M$的坐标为$(-3,0)$
15267
(1) $43956$; (2) $4^{99}$; (3) 当$m\in (12,\dfrac{243}{19})$时, 最大项为第$81$项; 当$m=\dfrac{243}{19}$时, 最大项为第$81$项与第$82$项; 当$m\in (\dfrac{243}{19},13)$时, 最大项为第$82$项
40624
(1) $\dfrac{x^2}4+y^2=1$; (2) $k=\pm 2$; (3) 定值为$\dfrac 23$, 证明略
15268
(1) $M(0,1-a,0)$, $N(\lambda a,0,0)$, $Q(\lambda,1,1)$; (2) $\lambda = \dfrac{2\sqrt{11}}{11}$; (3) 证明略
40625
(1) $y=-2$; (2) $k=0$或$4$; (3) $\dfrac 34-\ln 2$

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@ -475076,7 +475076,7 @@
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"ans": "$6$",
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@ -475095,7 +475095,7 @@
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"ans": "$90$",
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@ -475114,7 +475114,7 @@
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@ -475133,7 +475133,7 @@
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"ans": "$15$",
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@ -475152,7 +475152,7 @@
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"ans": "$24$",
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@ -475171,7 +475171,7 @@
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"genre": "填空题",
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"ans": "$(0,\\dfrac{9\\sqrt{2}-2}4]$",
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@ -475190,7 +475190,7 @@
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"ans": "$540$",
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@ -475209,7 +475209,7 @@
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"ans": "$\\dfrac{16\\pi}3$",
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@ -475228,7 +475228,7 @@
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"genre": "填空题",
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"ans": "$35$",
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@ -475247,7 +475247,7 @@
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"genre": "填空题",
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"ans": "\\textcircled{2}\\textcircled{4}",
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@ -475266,7 +475266,7 @@
"objs": [],
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"genre": "填空题",
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"ans": "$[6,+\\infty)$",
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@ -475285,7 +475285,7 @@
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"ans": "$\\log_2 \\mathrm{e}$",
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@ -475304,7 +475304,7 @@
"objs": [],
"tags": [],
"genre": "选择题",
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"ans": "C",
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@ -475323,7 +475323,7 @@
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"genre": "选择题",
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"ans": "A",
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@ -475342,7 +475342,7 @@
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"genre": "选择题",
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"ans": "D",
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@ -475361,7 +475361,7 @@
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"ans": "B",
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@ -475380,7 +475380,7 @@
"objs": [],
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"genre": "解答题",
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"ans": "(1) $\\dfrac{\\sqrt{10}}{10}$; (2) $\\dfrac{3\\sqrt{5}}{5}$",
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"duration": -1,
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@ -475399,7 +475399,7 @@
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"ans": "(1) $80$; (2) $1$或$-3$",
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@ -475418,7 +475418,7 @@
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"ans": "(1) $\\pm \\sqrt{3}$; (2) 存在, 点$M$的坐标为$(-3,0)$",
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"duration": -1,
"usages": [],
@ -475437,7 +475437,7 @@
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"genre": "解答题",
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"ans": "(1) $\\dfrac{x^2}4+y^2=1$; (2) $k=\\pm 2$; (3) 定值为$\\dfrac 23$, 证明略",
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@ -475456,7 +475456,7 @@
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"genre": "解答题",
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"ans": "(1) $y=-2$; (2) $k=0$或$4$; (3) $\\dfrac 34-\\ln 2$",
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"duration": -1,
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