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关于DF1的文学精选

精彩的DF1专题,是DF1相关知识的精华点,学习中疑虑的DF1方面内容,从DF1专题开始,不再是难题,为网友们免费分享DF1知识大全,DF1知识精选,DF1优质内容,没错,这里会有你需要DF1知识内容的。

  • 如图,矩形ABCD的对角线AC,BD相交于点O,点E,F在BD上,BE=DF.(1)求*:AE=CF;(2)若...

    如图,矩形ABCD的对角线AC,BD相交于点O,点E,F在BD上,BE=DF.(1)求*:AE=CF;(2)若...

    问题详情:如图,矩形ABCD的对角线AC,BD相交于点O,点E,F在BD上,BE=DF.(1)求*:AE=CF;(2)若AB=6,∠COD=60°,求矩形ABCD的面积.【回答】:(1)*:∵四边形ABCD是矩形,∴OA=OC,OB=OD,AC=BD,∠ABC=90°.∵BE=DF,∴OE=OF.又∵∠AOE=∠COF,∴△AOE≌△COF,∴AE=CF...

  • DF1造句

    DF1造句

    DriverdevelopmentforDF1andCDMA/GPRSintegration;BasedonDF1protocol,thedesignandrealizationoftrafficlightscontrolexperimentwerestudiedusingRockwellcontrollerandRockwellsoftware....