常見(jiàn)例句When figuring dimensions, we usually change common fractions to decimals.儅計(jì)算麪積時(shí)，我們通常將普通分?jǐn)?shù)變爲(wèi)小數(shù)。Common fractions written in the Greek or Egyptian system were too awkward for astronomical calculations.用希臘人或埃及人那套辦法寫(xiě)出來(lái)的普通分?jǐn)?shù)很不便於作天文計(jì)算。 返回 common fraction