求阴影部分的面积。(单位:cm)
![](https://img.xkw.com/dksih/QBM/2020/7/15/2506465508450304/2572860843753472/STEM/1352978d3793422f80bafffad3a06db0.png?resizew=134)
更新时间:2020-10-17 03:21:41
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计算题-图形计算
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适中
(0.65)
【推荐1】分别求出各图中阴影部分的面积。(单位:cm)
(1)![](https://img.xkw.com/dksih/QBM/2022/11/30/3120639792177152/3128666140286976/STEM/b1f0572d2e4b43c189bfe31efd0d100e.png?resizew=164)
(2)![](https://img.xkw.com/dksih/QBM/2022/11/30/3120639792177152/3128666140286976/STEM/bcf3235634c94f2a8da32b6fc16b65b6.png?resizew=166)
(3)两个相同的梯形重叠
(1)
![](https://img.xkw.com/dksih/QBM/2022/11/30/3120639792177152/3128666140286976/STEM/b1f0572d2e4b43c189bfe31efd0d100e.png?resizew=164)
(2)
![](https://img.xkw.com/dksih/QBM/2022/11/30/3120639792177152/3128666140286976/STEM/bcf3235634c94f2a8da32b6fc16b65b6.png?resizew=166)
(3)两个相同的梯形重叠
![](https://img.xkw.com/dksih/QBM/2022/11/30/3120639792177152/3128666140286976/STEM/5e3b89872f2a43789fecfb5d4513fe50.png?resizew=165)
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