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20枚硬币共13元，求1元和5角硬币各几枚
Created: 2025-10-15 21:54:24
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妈妈买油问题：求原来油重和桶重
Created: 2025-10-15 21:30:50
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10个小朋友握手次数计算
Created: 2025-10-15 21:26:48
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鸡兔同笼问题
Created: 2025-10-15 21:19:48
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甲、乙、丙三人赛跑名次推理题
Created: 2025-10-15 17:28:32
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Created: 2025-10-15 15:04:11
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四球队单循环赛胜负分析
Created: 2025-10-15 14:58:31
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数学竞赛获奖者身高推理题
Created: 2025-10-15 14:36:43
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已知条件求解代数式的值
Created: 2025-10-15 14:26:15
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速度与加速度的概念解析
Created: 2025-10-15 12:58:26
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