求738-301的简便运算
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求738-301的简便运算
求738-301的简便运算
求738-301的简便运算
738-301
=738-(300+1)
=738-300-1
=438-1
=437
738-300-1
738-301
=738-(300+1)
=738-300-1
=438-1
=437
求738-301的简便运算
求738-301的简便运算
求738-301的简便运算
738-301
=738-(300+1)
=738-300-1
=438-1
=437
738-300-1
738-301
=738-(300+1)
=738-300-1
=438-1
=437