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小学数学口算填空题14
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小学数学口算填空题30
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小学数学口算填空题35
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小学数学口算填空题37
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一道小学数学题难倒无数外国网友: 难道我们的数学真是体育老师教的?
话说,前几天,推特上一位名叫Emma Jenner的美国女网友po出了一道数学运算问题,50 + 50 - 25 x 0 + 2 + 2 = ??这条看起来没有什...