
等差數列
Authored by chang shengchi
Mathematics
8th Grade
Used 15+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者為等差數列?
1 , -1 , 1 , -1
1 , 2 , 4 , 8
3 , 3 , 3 , 3
6,7,6,7,6,7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
設2 , 5 , 8 , 11 ,……, an是一等數列,第十項是?
26
27
28
29
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一等差數列的公差為5,第八項為16,則此數列的首項為?
19
-19
11
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
首項的英文代號是?
a1
a2
a3
a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
公差英文代號是?
y
x
b
d
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
第n項用英文表示?
na
an
a1
a2
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
有一等差數列,公差為-4,如果每項都再加上5,則新數列的公差為多少?
5
1
-1
-4
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