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问题原型:在图①的矩形MNPQ中,点E,F,G,H分别在NP,PQ,QM,MN上,若∠1=∠2=∠3=∠4,则称四边形EFGH为矩形MNPQ的反射四边形.操作与探究:在图②,图③的矩形ABCD中,A...
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教案备课库《87校区数学大题6.1(3)》真题及答案
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在正方形ABCD中点EFGH分别在边ABBCCDAD上四边形EFGH是矩形EF=2FG那么矩形EFG
如图矩形OABC的顶点AC分别在xy轴的正半轴上点D为对角线OB的中点点E4n在边AB上反比例函数y
问题原型在图①的矩形MNPQ中点EFGH分别在NPPQQMMN上若∠1=∠2=∠3=∠4则称四边形E
如图1矩形MNPQ中点EFGH分别在NPPQQMMN上若∠1=∠2=∠3=∠4则称四边形EFGH为
如图1矩形MNPQ中点E.F.G.H.分别在NPPQQMMN上若则称四边形EFGH为矩形MNPQ的反
如图1矩形MNPQ中点KOGH分别在NPPQQMMN上若∠1=∠2=∠3=∠4则称四边形KOGH为矩
如图1在矩形MNPQ中点EFGH分别在边NPPQQMMN上当∠1=∠2=∠3=∠4时我们称四边形E
如图矩形OABC的顶点AC分别在xy轴的正半轴上点D为对角线OB的中点点E4n在边AB上反比例函数
1如图在正方形ABCD中点E.F.分别在边BCCD上AEBF交于点O.∠AOF=90°.求证BE=C
在正方形ABCD中点E.F.G.H.分别在边ABBCCDAD上四边形EFGH是矩形EF=2FG那么矩
问题原型在图①的矩形MNPQ中点EFGH分别在NPPQQMMN上若∠1=∠2=∠3=∠4则称四边形E
如图1矩形MNPQ中点EFGH分别在NPPQQMMN上若∠1=∠2=∠3=∠4则称四边形EFGH为
如图在正方形ABCD中点E.N.P.G.分别在边ABBCCDDA上点M.F.Q.都在对角线BD上且四
如图矩形OABC的顶点A.C.分别在xy轴的正半轴上点D.为对角线OB的中点点E.8n在边AB上反比
问题原型在图①的矩形MNPQ中点EFGH分别在NPPQQMMN上若∠1=∠2=∠3=∠4则称四边形
如图1矩形MNPQ中点E.F.G.H.分别在NPPQQMMN上若则称四边形EFGH为矩形MNPQ的反
我们定义如图1矩形MNPQ中点KOGH分别在NPPQQMMN上若∠1=∠2=∠3=∠4则称四边形KO
如图1矩形MNPQ中点E.F.G.H.分别在NPPQQMMN上若则称四边形EFGH为矩形MNPQ的反
如图1矩形MNPQ中点EF.G.H.分别在NPPQQMMN上若则称四边形EFGH为矩形MNPQ的反射
问题原型在图①的矩形MNPQ中点EFGH分别在NPPQQMMN上若∠1=∠2=∠3=∠4则称四边形E
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