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【单选题】
设f(x),g(x)∈F[x],则()。A.
deg(f(x)g(x))
B.
deg(f(x)+g(x))>degf(x)+degg(x))
C.
deg(f(x)g(x))=degf(x)+degg(x)
D.
deg(f(x)g(x))=deg(f(x)+g(x))
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A.
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B.
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C.
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D.
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