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【单选题】
若不可约多项式p(x)是(f(x),f'(x))的k重因式(k>0),则关于p(x)的描述不正确的是
A.
p(x)是f(x)的重因式
B.
p(x)是f(x)的k重因式
C.
p(x)是f(x)的k+1重因式
D.
p(x)是f(x)与f'(x)的公因式
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参考答案:
举一反三
【单选题】A={1,4,7}, B={-2,1,2,4}, 则A∩B=__________.
A.
{1,4,7,7,2}
B.
{1,4}
C.
{1,4,2}
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【单选题】A={1,2,3,7,9},B={2,4,7},则A B=
A.
{1,2,3,4,7,9}
B.
{1,3,9}
C.
{2,7}
D.
{1,3,4,9}
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A.
简短化
B.
连续化
C.
大型化
D.
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A.
because
B.
if
C.
as
D.
until
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【单选题】Be kind and courteous to the interviewer , not sitting ___ you are told to do so.
A.
if
B.
as
C.
until
D.
because
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