收录2025届高二上学期校本作业自拟题目19933

题库0.3/Problems.json

@@ -520303,6 +520303,46 @@
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+    "019932": {
+        "id": "019932",
+        "content": "从一副 52 张扑克牌中随机抽取 1 张, 求出现下列事件的概率.\\\\\n(1) 这张牌不是``红桃'';\\\\\n(2) 这张牌是``K'';\\\\\n(3) 这张牌是``红桃''或是``黑桃'';\\\\\n(4) 这张牌不是``红桃''或不是``7''.",
+        "objs": [],
+        "tags": [],
+        "genre": "解答题",
+        "ans": "",
+        "solution": "",
+        "duration": -1,
+        "usages": [],
+        "origin": "自拟题目",
+        "edit": [
+            "20231102\t杨懿荔"
+        ],
+        "same": [],
+        "related": [],
+        "remark": "",
+        "space": "4em",
+        "unrelated": []
+    },
+    "019933": {
+        "id": "019933",
+        "content": "(1) 求 $(\\dfrac{\\sqrt{x}}{2}-\\dfrac{2}{\\sqrt{x}})^{10}$ 的二项展开式的中间一项；\\\\\n(2) 求 $(x \\sqrt{y}-y \\sqrt{x})^{11}$ 的二项展开式的中间两项.",
+        "objs": [],
+        "tags": [],
+        "genre": "解答题",
+        "ans": "",
+        "solution": "",
+        "duration": -1,
+        "usages": [],
+        "origin": "自拟题目",
+        "edit": [
+            "20231102\t杨懿荔"
+        ],
+        "same": [],
+        "related": [],
+        "remark": "",
+        "space": "4em",
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+    },
     "020001": {
         "id": "020001",
         "content": "判断下列各组对象能否组成集合, 若能组成集合, 指出是有限集还是无限集.\\\\\n(1) 上海市控江中学$2022$年入学的全体高一年级新生;\\\\\n(2) 中国现有各省的名称;\\\\\n(3) 太阳、$2$、上海市;\\\\\n(4) 大于$10$且小于$15$的有理数;\\\\\n(5) 末位是$3$的自然数;\\\\\n(6) 影响力比较大的中国数学家;\\\\\n(7) 方程$x^2+x-3=0$的所有实数解;\\\\ \n(8) 函数$y=\\dfrac 1x$图像上所有的点;\\\\ \n(9) 在平面直角坐标系中, 到定点$(0, 0)$的距离等于$1$的所有点;\\\\\n(10) 不等式$3x-10<0$的所有正整数解;\\\\\n(11) 所有的平面四边形.",