
S401A 複數系 Complex Number System
Authored by Wong Carmen
Mathematics
9th - 12th Grade
CCSS covered

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0 是
0 is
正整數。
positive integers.
負整數。
negative integers.
整數。
integers.
Answer explanation
零既不是正數,亦不是負數。
2.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
下列何者是自然數?Which of the following is/are natural number(s)?
-11
0
8
28
202.4
Answer explanation
自然數又稱為正整數,例如:1,2,3,...
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圖中的循環小數是一個
The recurring decimals in the figure is a
有理數。
rational number.
無理數。
irrational number.
Answer explanation
所有循環小數可以化成分數 (詳見書 P.1.5-1.6),因此圖中的循環小數是有理數。
Tags
CCSS.8.NS.A.1
CCSS.7.NS.A.2D
4.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
下列何者是有理數?Which of the following is/are rational number(s)?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
是非題:所有整數都是有理數。
True or False: All integers are rational numbers.
正確 True
錯誤 False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
是非題:「無理數 x 無理數 = 無理數」必為正確。
True or False: "Irrational number x Irrational number = Irrational number" must be correct.
正確 True
錯誤 False
Tags
CCSS.HSN.RN.B.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
是非題:所有無理數都是根式。
True or False: All irrational numbers are in surd form.
正確 True
錯誤 False
Tags
CCSS.8.NS.A.1
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