左圖是由一個大圓和三個大小相同的小圓組成,黑點是各圓的圓心,而所有圓心都在線段AE上。如果BC長20 cm,AE的長度是多少cm?

P5下學期溫習

Quiz
•
Mathematics
•
5th Grade
•
Medium
Fong fong
Used 7+ times
FREE Resource
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
40 cm
50 cm
60 cm
120 cm
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
左圖由一個小圓和兩個大小相同的大圓組成。A點、B點和C點分別是這三個圓的圓心。線段AB和線段BC分別長13 cm和16 cm,小圓的直徑是多少cm?
3 cm
5 cm
10 cm
16 cm
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
左圖的正方形內有四個大小相同的圓,圓的半徑是6 cm。正方形的面積是多少?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下哪個分數數值最小?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
五年級有男生78個和女生72個。女生人數比男生人數是_____。(以最簡分數作答)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下哪個立體圖形,從不同位置沿平行於底的方向切開後,所得的截面形狀和大小都與底相同?
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