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数学竞赛题：如图，求阴影部分面积？能快速解答么？
数学竞赛题：如图，求阴影部分面积？能快速解答么？
初中数学中考竞赛典型例题——几何部分75/114
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![甘泉县气象台发布大风蓝色预警[Ⅳ级/一般]](http://p26-sign.bdxiguaimg.com/tos-cn-p-0015/oY7xAOfDDEvA9UmAeSSDv5skmBcAxEnwFByNIg~tplv-pk90l89vgd-fglass:864:486:90.jpeg?appId=32&channelId=0&customType=custom%2Fnone&from=101_middle_image&imageType=list&isImmersiveScene=0&is_stream=0&lk3s=9d3f5bff&logId=202409181558135869201CE47B6CD6C369&requestFrom=101&x-expires=1758182293&x-signature=lYj8UFPj%2Ft3FANbtmgeVqelH9aY%3D)
