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我真的很喜欢我高三那年上微积分课的时候,我们老师在第一堂课上讲的内容 ——

他让我们举手提问微积分的用处,于是一个学生举手问他,“我们日常生活中有什么时候会用到微积分吗?”

这位老师笑着说,“根本不会用到。你平常的生活中根本用不到微积分。甚至你们中在今后工作里需要用到微积分的可能也只有很少几个人。也许你们会问,那我们为什么还要学微积分?”

我们点头表示我们确实想知道。

这位老师转向了我们班上橄榄球校队的运动员蒂姆,“蒂姆,你是不是每周都会花很多时间在橄榄球队练习?”

“是的。我几乎每天都需要练习。”

“你和你球队里的同学们需不需要做杠铃哑铃的练习?”

“需要的。我们每周二和周四都会用健身器材做各种各样的练习。”

“你们打比赛的时候有没有一招,要用卧推的姿势把对手举起来?”

“倒是没有。”

“那蒂姆,你能告诉大家你们为什么要做哑铃杠铃的练习吗?”

“因为那些练习能够增强我们的体能,让我们更强壮。”

“谢谢你的回答!是的!微积分也是同样的道理。我们学习微积分,主要原因并不是我们在今后的生活里一定会用到微积分,而是因为微积分可以锻炼我们的大脑,让我们思维更敏捷准确。”

很多年过去了,我一直记得这位老师的这堂课。 source



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我真的很喜欢我高三那年上微积分课的时候,我们老师在第一堂课上讲的内容 ——

他让我们举手提问微积分的用处,于是一个学生举手问他,“我们日常生活中有什么时候会用到微积分吗?”

这位老师笑着说,“根本不会用到。你平常的生活中根本用不到微积分。甚至你们中在今后工作里需要用到微积分的可能也只有很少几个人。也许你们会问,那我们为什么还要学微积分?”

我们点头表示我们确实想知道。

这位老师转向了我们班上橄榄球校队的运动员蒂姆,“蒂姆,你是不是每周都会花很多时间在橄榄球队练习?”

“是的。我几乎每天都需要练习。”

“你和你球队里的同学们需不需要做杠铃哑铃的练习?”

“需要的。我们每周二和周四都会用健身器材做各种各样的练习。”

“你们打比赛的时候有没有一招,要用卧推的姿势把对手举起来?”

“倒是没有。”

“那蒂姆,你能告诉大家你们为什么要做哑铃杠铃的练习吗?”

“因为那些练习能够增强我们的体能,让我们更强壮。”

“谢谢你的回答!是的!微积分也是同样的道理。我们学习微积分,主要原因并不是我们在今后的生活里一定会用到微积分,而是因为微积分可以锻炼我们的大脑,让我们思维更敏捷准确。”

很多年过去了,我一直记得这位老师的这堂课。 source

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