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趣味数学竞赛

趣味数学竞赛.    三年级以下. 教室的灯 一个教室原来开着 8 盏灯,关了 3 盏,还有几盏灯?. 答案:当然还是 8 盏。. 吃苹果 5 个小朋友用 5 分钟吃了 5 个苹果, 15 个小朋友吃 15 个苹果要用多少分钟?. 答案: 5 分钟. 喝牛奶 奶牛妈妈今天到集市去了,小牛一个人在家,他请小猫来做客。小牛请小猫喝一杯牛奶。小猫喝去半杯后,小牛给他加了半杯水,第二次喝去半杯后,小牛又给他用水加满,最后小猫一起喝完。 小朋友,你知道小猫喝得牛奶多,还是水多呢?. 答案:一样多。. 过河

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趣味数学竞赛

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  1. 趣味数学竞赛    三年级以下

  2. 教室的灯 一个教室原来开着8盏灯,关了3盏,还有几盏灯? 答案:当然还是8盏。

  3. 吃苹果 5个小朋友用5分钟吃了5个苹果,15个小朋友吃15个苹果要用多少分钟? 答案:5分钟

  4. 喝牛奶 奶牛妈妈今天到集市去了,小牛一个人在家,他请小猫来做客。小牛请小猫喝一杯牛奶。小猫喝去半杯后,小牛给他加了半杯水,第二次喝去半杯后,小牛又给他用水加满,最后小猫一起喝完。 小朋友,你知道小猫喝得牛奶多,还是水多呢? 答案:一样多。

  5. 过河 战争时期,有37名战士要到河对岸去完成一项任务。河边只有一条小船,船上每次只能坐5人。 他们至少要几次才能全部渡过河去呢? 9次。因为每次都需要1人把船划回去。

  6. 巧移杯子 三只盛水的杯子放在左边,三只空杯子放在右边,如下图,请你只动一只杯子,使盛水的杯子与空杯子间隔排列。 倒过去!

  7. 喝汽水的学问 有一家冷饮店,在门口贴了一张告示:喝完汽水后,用两个空瓶子可以换一瓶汽水。看到告示后,小东买了4瓶汽水,他最多能喝到几瓶汽水呢? 4 +2 +1 +1 =8 借一空瓶

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