修改31811题面

This commit is contained in:
wangweiye7840 2023-07-31 09:50:22 +08:00
parent c99c4bc84f
commit ff714c445b
1 changed files with 4 additions and 3 deletions

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@ -609730,17 +609730,18 @@
},
"031811": {
"id": "031811",
"content": "在大小相同的 6 个球中, 2 个是红球, 4 个是白球, 若从中任意选取 3 个, 则所选的 3 个球中至少有一个红球的概率是 (结果用分数表示).",
"content": "在大小相同的 6 个球中, 2 个是红球, 4 个是白球, 若从中任意选取 3 个, 则所选的 3 个球中至少有一个红球的概率是\\blank{50}(结果用分数表示).",
"objs": [],
"tags": [],
"genre": "解答题",
"genre": "填空题",
"ans": "",
"solution": "",
"duration": -1,
"usages": [],
"origin": "高考数学风暴第二轮复习用书上海高考数学模拟试卷03试题1",
"edit": [
"20230730\t王伟叶"
"20230730\t王伟叶",
"20230731\t王伟叶"
],
"same": [],
"related": [],