等比數列測驗
Authored by hiofan Wong
Mathematics
11th Grade
Used 1+ times
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5 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下列哪些數列為等比數列？( )
A.0.3，0.33，0.333，0.333…
B. 0，0，0…
C.3，30，300，3000….
D.5，1，-3，-7…
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
若x，4，1成等比數列，則x= (a)
3.
FILL IN THE BLANKS QUESTION
45 sec • 1 pt
等比數列6，18，54，162…，則公比為 (a)
4.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
在等比數列中，若首項為1，公比為3，則第四項為 (a)
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
等比數列中，若首項為2，公比為2，an=64，則n= (a) .
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