为啥法国数学这么强,平民的算数这么烂 ?

Math Online Tom Circle

结账的算数:€ 313.5

华人:[给] €323.5 – [找] €10 =€313.5

法国人: [给] €320 – [找] =€ 313.5

{?€ 6.5 是这样算的 :313.5+0.5 [凑整]=314.0, 然后 314+6=320,得[找] 0.566.5}

https://m.toutiaocdn.com/i6896389485832389134/?app=news_article&timestamp=1607277607&use_new_style=1&req_id=202012070200070100140540151610B97E&group_id=6896389485832389134&tt_from=android_share&utm_medium=toutiao_android&utm_campaign=client_share

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Author: tomcircle

Math amateur

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