一个二年级七巧板拼直角中,只有一个直角有几块,有4个直角的是第几块,第几块中没有直角

来源：蜘蛛抓取(WebSpider) 时间：2015-05-12 12:31 标签： 七巧板用4块拼6边形
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/etc/nginx/nginx.conf.在一副七巧板中，有______个锐角，______个直角，______个钝角．
默默614vUp
七巧板如图所示：根据图示可知，在一副七巧板中，有12个锐角，13个直角，5个钝角．
为您推荐：
图中有10个大写字母，把每一个大写字母作为角的顶点，分类统计角的数量．
本题考点：
七巧板；角的概念．
考点点评：
主要考查了角的分类．锐角是小于90度大于0度的角；直角是90度的角；钝角是大于90度小于180度的角．
扫描下载二维码七巧板中哪一块上有直角?哪一块板上有钝角_百度知道

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