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一元二次方程不会解?美国大学生到底是不是数学差?

 4 years ago
source link: https://tech.sina.com.cn/d/i/2019-05-14/doc-ihvhiews1696652.shtml
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来源:返朴   ID:fanpu2019撰文|丁玖(美国南密西西比大学数学教授)对于中美教育,不同的人从不同的角度有不同的看法,可能都有各自的道理,但也仅仅给出了不同方面的比较。这里,就从美国教育的具体情况入手

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