
南一國中數學2下ch1-3
Quiz
•
Mathematics
•
8th Grade
•
Hard
數學 南一
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A市的人口數逐年成等比數列成長,若5年前有20萬人,現在有25萬人,則5年後A市的人口數為多少萬人?
30
31.25
32
35
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
設a1=1,且a1 , a2 , a3 , ……為等比數列,則下列敘述何者錯誤?
若a6>0,則a60>0
若a6<0,則a60<0
若a60>0,則a102>0
若a8<0,則a96>0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個數列是等差數列也是等比數列?
1 , 1 , 1 , 1 , 1
0 , 0 , 0 , 0 , 0
0 , 2 , 4 , 6 , 8
1 , -1 , 1 , -1 , 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將20、65、245各減去同一數後會成為等比數列,則此等比數列的公比為何?
3
4
5
6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8
-8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某種細菌一隻每20分鐘分裂一次,有此種細菌1隻,經過四小時後,會分裂成幾隻?
1024
2048
4096
5124
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將2公分厚的白紙對折,至少需折n次,其厚度才能到達2公尺,則n值為何?
7
8
9
10
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