题型:填空题
难度:0.65
引用次数:226
题号:3718655
直线
上有A,B,C三点,已知AB=8cm,BC=5cm,则A,C两点之间的距离是__________ cm
![](https://img.xkw.com/dksih/QBM/2016/2/18/1573972312440832/1573972318019584/STEM/545335311a034e21918882a8825d849b.png?resizew=9)
更新时间:2016-12-06 04:37:47
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【推荐1】下列说法:①用圆规在已知直线上截取一条线段等于已知线段属于尺规作图;②射线
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【推荐2】如图,已知线段AB,按下列要求自己完成画图并计算,延长线段AB到点C,使BC=2AB,取AC中点D;如果AB=6,则线段BD的长度为_________ .
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【推荐1】如图,在四边形
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【推荐2】图1是小明骑自行车的某个瞬间的侧面示意图,将小明右侧髋关节和车座看作一个整体抽象为
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