试题与答案

(1)已知代数式x+2y的值是3,则代数式2x+4y值是( ); (2)已知2a

题型:填空题

题目:

(1)已知代数式x+2y的值是3,则代数式2x+4y值是(    );

(2)已知2a+3b=4,3a﹣2b=17,则10a+2b的值是(    ).

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析:所谓社会运行机制,即指社会运行中所遵循的规律或所形成的模式。社会学所关注的社会运行的几大主题:需要一互动一管理与控制一变迁与进步。

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