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第1题

11.设A为三阶方阵且|A|=-2则|3A^σA|=( ) A-108 B-12 C12 D108
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第2题

Waller was argumentative, ________, and sometimes outspoken, but he had a sense of humor and he retained a childlike del
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第3题

What they contested was the ________ that moral reform could be achieved through a centralized program. A、heritage B、p
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第4题

设y=（2x^2+1）^3,则y.等于（） A-12x(2x^2+1)^2 B12x(2x^2+1)^2 C2x(2x^2+1)^2 D6x(2x^2+1)^2
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