广博吧相关minus的学习知识
学习minus知识内容，就在minus专题，精彩的minus相关知识，品味minus相关内容，分享minus相关精彩要点，统统都在minus专题，通过minus专题的学习，会让你对minus知识有了精细化了解，让您在学习中没有问题。
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![How much is four minus four?]( "How much is four minus four?")
How much is four minus four?
Oneday,theteacherinquiredofPeter:"Howmuchisfourminusfour?"Peterwastongue-tied.Theteachergotangryandsaid:"Whatafool!Yousee,ifIputfourcoinsinyourpocket,butthereisaholeinyourpocketandallofthemleakout,now...
