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多项式(1-2x)5(2+x)中,含x3项的系数是 ( )

多项式(1-2x)5(2+x)中,含x3项的系数是 ( ) A.120 B.-l00 C.-l20 D.100

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根据下面资料,回答题 For a child, happiness has a magical nature. I re

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What can we learn about Beethoven from his style of composin

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