1 . 如图,已知平行四边形中3个三角形的面积分别为7平方厘米,2平方厘米,9平方厘米,阴影部分的面积是( ) 平方厘米.
![](https://img.xkw.com/dksih/QBM/2019/1/1/2109292752117760/2110310335275009/STEM/26cff0203b35467e9b12fd49ce70ae8e.png?resizew=180)
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2 . 数一数.
![](https://img.xkw.com/dksih/QBM/2018/8/14/2010093059801088/2010246792814593/STEM/1e8c5616dffb4c01887b73f7800e6833.png?resizew=138)
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3 . 如图,四边形ABCD,AEFG,BIHE都是平行四边形,且E是DC的中点,点C在HI上.
GDA,
DFE,EHC,
BCI的面积依次记为
,
,
,
,则( ).
![](https://img.xkw.com/dksih/QBM/2016/8/8/1576580516347904/1576580516601856/STEM/c2dc82defa3747128fa26d84d0b52286.png?resizew=182)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1576580516347904/1576580516601856/STEM/a0e50bda029a4e23a16283b4d0e562d5.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1576580516347904/1576580516601856/STEM/a0e50bda029a4e23a16283b4d0e562d5.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1576580516347904/1576580516601856/STEM/a0e50bda029a4e23a16283b4d0e562d5.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1576580516347904/1576580516601856/STEM/92010e1287db42688047b00b4ab9eacc.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1576580516347904/1576580516601856/STEM/1210fefa4fa148d38fa3a96ac87d20f6.png?resizew=18)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1576580516347904/1576580516601856/STEM/a376351ad97e4bba8a339e8e016c385d.png?resizew=18)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1576580516347904/1576580516601856/STEM/697c086664304b77b83c62220780609e.png?resizew=18)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1576580516347904/1576580516601856/STEM/c2dc82defa3747128fa26d84d0b52286.png?resizew=182)
A.![]() ![]() ![]() ![]() | B.![]() ![]() ![]() ![]() |
C.![]() ![]() ![]() ![]() | D.![]() ![]() ![]() ![]() |
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2016-12-09更新
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656次组卷
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3卷引用:2016年小升初数学名校招生预测卷12
4 . 如图,一个六边形的6个内角都是120°,其连续四边的长依次是1厘米、9厘米、9厘米、5厘米.求这个六边形的周长.
![](https://img.xkw.com/dksih/QBM/2014/11/11/1576503194820608/1576503241474048/STEM/4dcc5c294ab04b2c9c7c3636ddd5244d.png)
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5 . 如图中四边形ABCD为平行四边形,三角形MAB的面积为11平方厘米,三角形MCD的面积为5平方厘米.请问:平行四边形ABCD的面积是多少平方厘米?
![](https://img.xkw.com/dksih/QBM/2014/11/11/1576503194820608/1576503241334784/STEM/2c59e266901d4cdb8a631d4b6259941d.png)
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