A、B為整式時(shí),當(dāng)B中含有字母時(shí)叫做分式.A叫分式的分子,B叫分式的分母.當(dāng)B=0時(shí),分式?jīng)]有意義;當(dāng)B≠0,A=0時(shí)=0 (本文共 61 字 ) [閱讀本文] >>
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 A、B為整式時(shí),當(dāng)B中含有字母時(shí)叫做分式.A叫分式的分子,B叫分式的分母.當(dāng)B=0時(shí),分式?jīng)]有意義;當(dāng)B≠0,A=0時(shí)=0 (本文共 61 字 ) [閱讀本文] >>