Merge commit '8c2d'

题库0.3/Problems.json

@@ -466330,7 +466330,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$(1,0)$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466350,7 +466350,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{1}{6}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466370,7 +466370,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$4\\pi$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466390,7 +466390,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$45^\\circ$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466410,7 +466410,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$y=\\sqrt{2} x$和$y=-\\sqrt{2}x$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466430,7 +466430,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$(x-1)^2+(y-1)^2=5$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466450,7 +466450,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$0.10$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466470,7 +466470,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "假",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466490,7 +466490,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{\\pi}{3}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466510,7 +466510,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "\\textcircled{1}\\textcircled{2}\\textcircled{4}",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466530,7 +466530,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$\\dfrac{\\pi}{4}$或$\\arccos\\dfrac{3\\sqrt{34}}{34}$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466550,7 +466550,7 @@
         "objs": [],
         "tags": [],
         "genre": "填空题",
-        "ans": "",
+        "ans": "$4900$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466570,7 +466570,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "C",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466590,7 +466590,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "D",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466610,7 +466610,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "A",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466630,7 +466630,7 @@
         "objs": [],
         "tags": [],
         "genre": "选择题",
-        "ans": "",
+        "ans": "B",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466650,7 +466650,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1) $-2$; (2) $11$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466670,7 +466670,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1) $\\dfrac{2\\sqrt{5}}{5}$; (2) $4x-3y-3=0$或$y+1=0$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466690,7 +466690,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1) $x=0.005$, $y=0.045$, 中位数为$26.5$(分), 众数为$25$(分), 极差为$36$(分); (2) 估计中位数为$26$分, 平均数为$29.1$分, 方差为$82.39$",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466710,7 +466710,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1) 证明略; (2) $\\dfrac{5\\sqrt{21}}{21}$; (3) $MC=-1+\\sqrt{5}$;",
         "solution": "",
         "duration": -1,
         "usages": [],
@@ -466730,7 +466730,7 @@
         "objs": [],
         "tags": [],
         "genre": "解答题",
-        "ans": "",
+        "ans": "(1) $\\dfrac{\\sqrt{2}}{2}$; (2) 过定点$P(-1+\\sqrt{2},-\\dfrac{\\sqrt{2}}2-1)$; (3) 直线$PQ$与圆相切",
         "solution": "",
         "duration": -1,
         "usages": [],