内容正文:
在不同位置观察物体
同步课堂
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1
例题解析
拿出一个小正方体,从它的正面看过去,你看到了什么?
正方形
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例题解析
现在你又看到了什么?
长方形
从某一位置观察物体时,看到的图形是这个物体的面的形状。
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例题解析
(1)横向连续摆三个正方体,
在左边第一个后面再摆
一个。
(2)请同学们分别从物体前面、
上面、左面进行观察。
摆一摆。
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