20221025 evening

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weiye.wang 2022-10-25 21:36:07 +08:00
parent 583769949f
commit fbc21fceb5
1 changed files with 1 additions and 1 deletions

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@ -17547,7 +17547,7 @@
}, },
"000672": { "000672": {
"id": "000672", "id": "000672",
"content": "已知射手甲击中A目标的概率为$0.9$, 射手乙击中A目标的概率为$0.8$, 若甲、乙两人各向A目标射击一次, 则射手甲或射手乙击中A目标的概率是\\blank{50}.", "content": "已知射手甲击中A目标的概率为$0.9$, 射手乙击中A目标的概率为$0.8$, 若甲、乙两人互不影响地各向A目标射击一次, 则射手甲或射手乙击中A目标的概率是\\blank{50}.",
"objs": [ "objs": [
"K0806004B" "K0806004B"
], ],