
Mặt cầu.Khối cầu
Authored by Duyên Thị
Mathematics
2nd Grade
Used 2+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gọi R làbán kính , S là diện tích và V là thể tích của khối cầu. Công thức nào sau đây sai?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu bán kính mặt cầu tăng lên gấp 2 lần thì thể tích mặt cầu tăng mấy lần?
2
4
8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hình cầu có bán kính R khi đó diện tích mặt cầu bằng:
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong một mặt cầu bất kì có bao nhiêu đường kính?
Vô số
4
2
1
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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