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問題詳情：閲讀理解；根據短文內容，選擇最佳*Todayweusenumbersveryoften.Buthaveyoueverthoughtaboutnumbers?Wethinkthatcountingiseasy.Butitwasnoteasylongago.Peopledidn’tknowhowtocount.Whentheyhadtocounttheirco...