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问题一:数学的故乡?
数学的故乡在哪里?世界上哪个国家的数学史最长呢?
","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"ce5aebf7c61f4518cec5ed6046e414ad"},"img_del":0,"img_height":712,"img_url":"https://ss-mpvolc.meipian.me/users/84639285/f0b34c0098324cdb900b4d5ab747b787__jpg.heic","img_width":966,"is_origin":false,"location_del":0,"sectionPublished":false,"sell_del":0,"source":0,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvODQ2MzkyODUvZjBiMzRjMDA5ODMyNGNkYjkwMGI0ZDVhYjc0N2I3ODdfX2pwZy5oZWlj/nickname/54mn576K5Lir5Lir/userid/ODQ2MzkyODU=/sign/7d41c7ec6c611b5cf156d02746ae5ab8"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"0bb55cb8dcf9a3ce36ae90b0938f6e53"},"img_del":0,"location_del":0,"sectionPublished":false,"sell_del":0,"source":0,"text":"世界上数学发展史最长的国家要算我们的祖国-----中国。我国的数学发展史,自公元2700年算起,到今天为止,已有4000多年的历史了。日本著名的数学家三上义夫在.《中国算学的特色》这本书中说:一个国家有如此长久的数学史,这是世界其他各国所不能比拟的。
世界其他文明古国的数学史,印度大约有3500年到4000年,希腊不过2500多年,至于现在的欧洲国家,公元10世纪以后才有数学史,至今不到1000年,所以说,中国是数学的故乡。
","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"9f23880e551c405b2a7b3d808efea770"},"img_del":0,"img_height":664,"img_url":"https://ss-mpvolc.meipian.me/users/84639285/59ae63d1f38b45e095ad2a848e005584__jpg.heic","img_width":966,"is_origin":false,"location_del":0,"sectionPublished":false,"sell_del":0,"source":0,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvODQ2MzkyODUvNTlhZTYzZDFmMzhiNDVlMDk1YWQyYTg0OGUwMDU1ODRfX2pwZy5oZWlj/nickname/54mn576K5Lir5Lir/userid/ODQ2MzkyODU=/sign/7d41c7ec6c611b5cf156d02746ae5ab8"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"4a5cede8639ae503dbecdba1c66560d0"},"img_del":0,"location_del":0,"sectionPublished":false,"sell_del":0,"source":0,"text":"问题二:数学是什么?
数学是什么?它有什么用?这是一个需要我们思考的问题。
数学是关于数字的学科,它非常有用,无处不在。打个比方说吧,我觉得数学是一杯白开水,只要加入不同的东西就会有不同的味道。如果把果汁倒进这杯水里,就会出现一杯甜蜜的果汁。但是你要把苦丁茶放进水里,那出来的就是一杯苦涩难咽的水。
为什么有的人学数学很吃力,而有的人很轻松?原因就在这儿,因为有的人遇到难题没有解决时,就感觉如同水里放入了苦丁茶,把数学看成了烦恼;而有的人把找到答案后的乐趣看成把果汁放入的水里,数学就成了乐趣。
","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"9d9934bb81df4ed333061857ae30841f"},"img_del":0,"img_height":470,"img_size":56,"img_url":"https://ss-mpvolc.meipian.me/users/84639285/8dfec64fa65a4d22d082ffa86116b703__jpg.heic","img_width":500,"is_origin":false,"location_del":0,"sectionPublished":false,"sell_del":0,"source":0,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvODQ2MzkyODUvOGRmZWM2NGZhNjVhNGQyMmQwODJmZmE4NjExNmI3MDNfX2pwZy5oZWlj/nickname/54mn576K5Lir5Lir/userid/ODQ2MzkyODU=/sign/7d41c7ec6c611b5cf156d02746ae5ab8"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"5f1a4e58dfec3d37a3ab31eeb40e4f8e"},"img_del":0,"location_del":0,"sectionPublished":false,"sell_del":0,"source":0,"text":"问题三:人民币的面值
为什么人民币的面值只有1、2、5、10?
从1-10这10个自然数,分为“重要数”和“非重要数”,1、2、5、10这四个数是“重要数”,3、4、6、7、8、9这六个数是“非重要数”。
用四个“重要数”,可以运用最少的加减,就能得到另外六个“非重要数”。比如1+2=3,2+2=4,5+1=6,5+2=7,5+2+1=8,5+2+2=9,这就是区别“重要”和“非重要”的原因。用1、2、5、10这四个“重要数”作为人民币的面值的原因就是,可以用最少张数的人民币,实现人们的交易。
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数学的故乡在哪里?世界上哪个国家的数学史最长呢?
","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"ce5aebf7c61f4518cec5ed6046e414ad"},"img_del":0,"img_height":712,"img_url":"https://ss-mpvolc.meipian.me/users/84639285/f0b34c0098324cdb900b4d5ab747b787__jpg.heic","img_width":966,"is_origin":false,"location_del":0,"sectionPublished":false,"sell_del":0,"source":0,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvODQ2MzkyODUvZjBiMzRjMDA5ODMyNGNkYjkwMGI0ZDVhYjc0N2I3ODdfX2pwZy5oZWlj/nickname/54mn576K5Lir5Lir/userid/ODQ2MzkyODU=/sign/7d41c7ec6c611b5cf156d02746ae5ab8"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"0bb55cb8dcf9a3ce36ae90b0938f6e53"},"img_del":0,"location_del":0,"sectionPublished":false,"sell_del":0,"source":0,"text":"世界上数学发展史最长的国家要算我们的祖国-----中国。我国的数学发展史,自公元2700年算起,到今天为止,已有4000多年的历史了。日本著名的数学家三上义夫在.《中国算学的特色》这本书中说:一个国家有如此长久的数学史,这是世界其他各国所不能比拟的。
世界其他文明古国的数学史,印度大约有3500年到4000年,希腊不过2500多年,至于现在的欧洲国家,公元10世纪以后才有数学史,至今不到1000年,所以说,中国是数学的故乡。
","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"9f23880e551c405b2a7b3d808efea770"},"img_del":0,"img_height":664,"img_url":"https://ss-mpvolc.meipian.me/users/84639285/59ae63d1f38b45e095ad2a848e005584__jpg.heic","img_width":966,"is_origin":false,"location_del":0,"sectionPublished":false,"sell_del":0,"source":0,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvODQ2MzkyODUvNTlhZTYzZDFmMzhiNDVlMDk1YWQyYTg0OGUwMDU1ODRfX2pwZy5oZWlj/nickname/54mn576K5Lir5Lir/userid/ODQ2MzkyODU=/sign/7d41c7ec6c611b5cf156d02746ae5ab8"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"4a5cede8639ae503dbecdba1c66560d0"},"img_del":0,"location_del":0,"sectionPublished":false,"sell_del":0,"source":0,"text":"问题二:数学是什么?
数学是什么?它有什么用?这是一个需要我们思考的问题。
数学是关于数字的学科,它非常有用,无处不在。打个比方说吧,我觉得数学是一杯白开水,只要加入不同的东西就会有不同的味道。如果把果汁倒进这杯水里,就会出现一杯甜蜜的果汁。但是你要把苦丁茶放进水里,那出来的就是一杯苦涩难咽的水。
为什么有的人学数学很吃力,而有的人很轻松?原因就在这儿,因为有的人遇到难题没有解决时,就感觉如同水里放入了苦丁茶,把数学看成了烦恼;而有的人把找到答案后的乐趣看成把果汁放入的水里,数学就成了乐趣。
","text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"9d9934bb81df4ed333061857ae30841f"},"img_del":0,"img_height":470,"img_size":56,"img_url":"https://ss-mpvolc.meipian.me/users/84639285/8dfec64fa65a4d22d082ffa86116b703__jpg.heic","img_width":500,"is_origin":false,"location_del":0,"sectionPublished":false,"sell_del":0,"source":0,"text_del":0,"type":1,"video_del":0,"video_thumbnail_del":0,"vote_del":0,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvODQ2MzkyODUvOGRmZWM2NGZhNjVhNGQyMmQwODJmZmE4NjExNmI3MDNfX2pwZy5oZWlj/nickname/54mn576K5Lir5Lir/userid/ODQ2MzkyODU=/sign/7d41c7ec6c611b5cf156d02746ae5ab8"},{"audio_del":0,"audio_music_id":0,"ext":{"unique_id":"5f1a4e58dfec3d37a3ab31eeb40e4f8e"},"img_del":0,"location_del":0,"sectionPublished":false,"sell_del":0,"source":0,"text":"问题三:人民币的面值
为什么人民币的面值只有1、2、5、10?
从1-10这10个自然数,分为“重要数”和“非重要数”,1、2、5、10这四个数是“重要数”,3、4、6、7、8、9这六个数是“非重要数”。
用四个“重要数”,可以运用最少的加减,就能得到另外六个“非重要数”。比如1+2=3,2+2=4,5+1=6,5+2=7,5+2+1=8,5+2+2=9,这就是区别“重要”和“非重要”的原因。用1、2、5、10这四个“重要数”作为人民币的面值的原因就是,可以用最少张数的人民币,实现人们的交易。
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