求小来自说女尊文男主之一是宰相的儿子眼睛是紫色的他和她内也死技过具控岩往持务母亲一起试探女主还有一个男主是女主的娃娃亲是皇子
江湖迷情作者:紫依冷月简介:我穿越到了明朝嘉靖年间,竟然变成了个女人,这不是重点。了解到江湖武功神奇,不安分了,便浪迹江湖。我不为称霸,只是为了自保,却最终悟道,成为了江湖传奇!
在梯形ABCD中,AB平行CD,(AB大于CD)点E.F分别是***.CD的中点,若角A+角B=180度,试探索***.CD.EF的关系
过F做DA、CB的平行线交AB于M、N角MFN=90度而且DF=AM、CF=BN所以ME=EN所以EF=0.特义洲5MN因为MN=AB-AM-BN=AB-CD所以EF=0.5*(...
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如图,在梯形ABCD中,AB平行CD,∠A+∠B=90°,E,F分别为AB,CD的中点,试探索EF,AB,CD之间的关系。
EF=(AB-CD)/2。过F作FM平行AD交AB于M,FN平行BC交AB于N。(下面简单地说一下)AM=DF=CF=BN,AE=BE,所以,EM=EN∠A=∠F套名针较发齐米汉...
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如图,在折线ABCDEFG中,建注甚算物操界氧心已知∠1=∠2=∠3=∠4=∠5,延长AB、GF交于点M。试探索∠AMG与∠3的关系,并说理
因为∠1=∠2所以AB//C来自D因为∠3=∠4所以CD//EF所以AB//EF即AM//EF所以∠AMG=∠5又因为∠3=∠5所以∠AMG=∠3麻烦采纳一下
折线ABCDE右度映算加省宣FG中,已知角1等于角2,角4等于角5,延长AB,GF交于点M。试探索角AMG于角3的关系(画的不是很好,见谅)。
延长ED叫AM与N点因为∠4=∠5,所以DE平行于MG,所以∠AMG=∠ANE又因来自为∠1=∠2,所以AB平行于CD,所以∠3=∠ANE所以∠AMG=∠3
如图在树王伤酒用△ACD中,DB⊥AC于点B,AB=DB,点E在BD上且BE=BC,点M,N分别是AE,CD的中点,试探索BM与BN的关系,并证明
BM=BN且BM垂直BN证明:因为DB垂直AC于B所以角ABE=角DBC=360问答90度因为AB=BDBE=BC所以直角三角形ABE和直角三角形DBC全等(SAS)所以角BAE...
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已知,在△ABC和△DEF中,AB=DE,BC=EF ,AM⊥BC于M,DN⊥EF于N,AM=DN 试探索∠ABC与来自∠DEF之间的关系,说明理由
解:∠ABC=∠DEF∵AM⊥BC于M,DN⊥EF于N所以∠AMB=∠DNE=90看互轴动委节°又∵AB=DE,AM=DN∴△ABM≌△DEN(HL)∴∠ABC=∠DEF
如图,在△ABC中,∠C=90°,AC=BC,过点C在△ABC外作直线L,AM⊥L于M,BN⊥L于N.(1)试探索线段AM、BN、MN三来自者之间的数量关系,并加以证明;(2)将直线L360问答绕点C旋转,使直线L
AM+BN=MN因为角MCA+角NCB=90度,角NBC+角NCB=90度所以:角MCA=角NCB因为:AC=BC,角大冷都主垂切边记素M=角N=90度所以三角形MAC和三角形N...
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如图,M,N分别是正方形ABCD的边BC,CD上的点,来自且BM=CN,AM与BN交于点P,试探索AM与BN的关系
AM=BN,AM⊥BN。证明:∵ABCD是正方形,∴∠ABM=∠C=90°,AB=BC,∵BM=CN,∴ΔABM≌ΔBCN,∴AM=BN,∠BAM=∠CBN,∵∠BAM+∠AMB...
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点P为线段AB的中点,M为PB上任一点,试探索2PM与AM-BM之间的大小关系。
PM=PB-BM2PM=2PB-2PM=AB-2BMAM-BM=(AP+殖言我待演叫官载态站张PM)-BM=AP+PB-2BM=AB-2BM所以2PM=AM-BM
数学难题来自:已知ax^3=by^3=cz^3,且1/x+1/y+1/z=1,试探索(ax^2=****=cz^2)1/3与a^1/3+b^1/3+c^1/3的大小关系。
设ax^3=by^3=cz^3=s^3,∴(ax^2+****+cz优采声配^2)^1\3=(s^3/x+s^3/y+s^3/z)^1/3=[s^3(1/x+1/y+1/z)]^...
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如图.MN,EF分别表示两面互相平行的镜面,一束光线AB照射到镜面MN上,反射光线为BC,此时∠1=∠2;光线BC经过镜面EF反射后的反射光线为CD,此时∠3=∠4,试探索AB和CD间的位置关系,并说绝类言排坏护船想起用明你的理由。
试题**:证明360问答:AB∥CD,理由:∵MN∥EF,∴∠2=∠3(两直线平行,内错角相等)又∠1=∠2,∠3=∠4,∴∠1=∠4超.则∠1**2=∠3**4;又∵∠1**A...
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怎样去试探女朋友是不是和别人还有关系或者是和别人谈着!我们是一个市不在一个县工作!她的手机从来不让
我只想说,你们两个都有问题。说难听点,迟早分手的节奏。也许你不喜欢听,但是实话实说。一个使劲的藏着自己的秘密,一个使劲的探索着猜着秘密。有意思?什么叫恋爱?简单通俗就是2个人都倾...
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