四年级数学单元六：认识角
Authored by NG Moe
Mathematics
1st Grade
Used 1+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
这角的名称是什么？
直角
锐角
钝角
平角
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
左图窗口显示的是什么角？
钝角
平角
牛角
直角
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
手指指向的地方属于哪个角？
锐角
钝角
平角
直角
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以下哪项说明是不正确的？
平角=180°
直角=90°
锐角比直角小
钝角比直角小
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
左图的时针和分针形成了角。以下哪些角并没有显示在左图中。（答案可多选）
锐角
直角
钝角
平角
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