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If x and y are integers, and $$w=(x^{2})y+x+3y$$, which of the following statements must be true?
Indicate all such statements.
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AIf w is even, then x must be even.
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BIf x is odd, then w must be odd.
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CIf y is odd, then w must be odd.
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DIf w is odd, then y must be odd.
A,B,C显示答案