复习图形认识初步全章检测(A).pdf

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1、1/7 图形认识初步整章测试（A）（时间 90 分钟 满分 100 分）班级学号姓名得分一、填空题（每题2 分，共 32 分）145=直角=平角215-107=3比较大小：38 15 38.15 4如图所示，其中共有条线段，条射线5如图，用几何语言叙述图形的含义是6如图，是的展开图7如图，图中小于平角的角共有个，其中能用一个大写字母表示的角是8类似于长方体的形状的实物有等9两个角互补且相等，则这两个角分别是、10将一个直角三角尺绕着一条直角边旋转一周得到的几何体是11用一副三角尺，可以作出大于0 而小于 180 的角共个12如果 79 2x与 21 6x互补，那么x_13线段 AD=76，BD

2、=70，CD=19，点 B、C 在线段 AD 上，则 AB=，BC=14如图，已知B 是 AC 的中点，C 是 BD 的中点，若BC=1.5cm，则 AD=_15如图，已知AOC=90，BOD=90，32AOD直角，则 BOC=第 4 题图第 5 题图第 6 题图第 7 题图第 14 题图第 15 题图第 16 题图2/7 16如图所示的是长方体的展开图，若C 面在前面，D 面在下面，则面会在上面；若从右面看是面C，而 D 面在后面，E 面在左面，则面会在上面（字母朝外）二、解答题（每题2 分，共 32 分）17（7 分）读句画图并填空：（1）画直线AB；（2）在线段AB 上取一点O，用量角器

3、画BOC=40；（3）由图形可知，AOC=；（4）画射线OC 的反向延长线OD；（5）由图可知：AOD=，DOB=18（5 分）如图，AB=6cm，点 C是 AB 的中点，点D 是线段 AB 的六等分点，求CD19（5 分）如图，平原上有A、B、C、D 四个村庄，为解决当地缺水问题，政府准备投资建一个蓄水池，不考虑其它因素，请画图确定蓄水池H 点的位置，使它与四个村庄的距离之和最小文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M

4、10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5

5、 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7

6、S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3

7、文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:C

8、H7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3

9、B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 H

10、M7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G33/7 20（5 分）如图，分别从正面、左面、上面观察该立体图形，能得到什么平面图形？请分别说出各图形的名称21（5 分）如图，东西方向的海岸线上有A、B 两个观测站，在A 地发现它的北偏东30方向上有一条渔船，同一时刻，在B 地发现这条渔船在它的北偏西60方向上，试画图说明这条渔船的位置22（5 分）如图，点O 是直线 AB 上的一点，OD 是 AOC 的平分线，OE 是 COB

11、 的平分线，若AOD=14，求 DOE、BOE 的度数文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E

12、10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W

13、7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW

14、2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E

15、3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编

16、码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E

17、2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G34/7 23（5 分）已知 1 和 2 互为补角，2 度数的一半比1 大 45，试求出 1 与 2 的度数24（5

18、 分）马小虎准备制作一个封闭的正方体盒子，他先用5 个大小一样的正方形制成如图所示的拼接图形（实线部分），经折叠后发现还少一个面，请你在图中的拼接图形上再接一个正方形，使新拼接成的图形经过折叠后能成为一个封闭的正方体盒子（注：只需添加一个符合要求的正方形；添加的正方形用阴影表示)）文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW

19、2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E

20、3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编

21、码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E

22、2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I

23、3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E

24、10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W

25、7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G35/7 25（6 分）如图，O 是直线 AB 上一点，OC 为任一条射线，OD 平分 BOC，OE 平分 AOC（1）指出图中AOD 的补角，BOE 的补角；（2）若 BOC=68，求 COD 和 EOC 的度数；（3）COD 与 EOC 具有怎样的数量关系？26（6 分）如图，将一副三角尺的直角顶点重合在一起（1）若 DOB 与 DOA 的比是 211，求 BOC 的度数（2）若叠合所成的BOC=n(0n90)，则 AOD 的补角的度数与BOC 的度数之比是多少？文档编码:CH7

26、E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3

27、I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7

28、E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10

29、W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 Z

30、W2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5

31、E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档

32、编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G36/7 27（6 分）如图，在正方体ABCD-A1B1C1D1中（1）分别写出以点B 为端点的线段；（2）一只蚂蚁要从A 点沿表面爬行到顶点B1，怎样爬行路线最短？为什么？（3）若由点

33、A沿表面爬行到点C1呢？28（8 分）任意画一个三角形ABC，取三边中点依次为D、E、F，连结DE、EF、FD 得到三角形DEF（1）分别量出三角形ABC 的周长与三角形DEF 的周长，你会发现什么？文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 Z

34、W2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5

35、E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档

36、编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7

37、E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3

38、I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7

39、E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10

40、W7R5 ZW2G7S5E3G37/7（2）用量角器量一下三角形ABC 中 A、B、C 的度数之和；再量一下三角形DEF 中的1、2、3 的度数之和，你会发现什么？（3）多画几个试一试，你会得到哪些猜想？文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5

41、 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7

42、S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3

43、文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:C

44、H7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3

45、B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 H

46、M7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3文档编码:CH7E2J3B3I3 HM7E10M10W7R5 ZW2G7S5E3G3