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【简答题】
三阶行列式求法: =( )
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improves
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【简答题】对某边往、返观测,得观测值分别为87.213米和87.226米。则观测结果为________米。
【简答题】对某边进行往返观测,得观测值分别为87.213m和87.226m,则观测结果为 ,相对误差为 。
【单选题】公务消费腐败主要体现在( ) 1公款接待、公车使用 2公务用车、公款旅游 3公款考察、公用电话 4公款吃喝、公款送礼
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