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If x is an odd negative integer and y is an even integer, which of the following statements must be true?
I. (3x - 2y) is odd
II. x$$y^{2}$$ is an even negative integer
III. ($$y^{2}$$-x) is an odd negative integer
I. (3x - 2y) is odd
II. x$$y^{2}$$ is an even negative integer
III. ($$y^{2}$$-x) is an odd negative integer
A显示答案
以上解析由 考满分老师提供。
