計算正方形的周界公式是什麼?

Maths test

Quiz
•
Mathematics
•
5th Grade
•
Medium
man ip
Used 2+ times
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30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
邊長 x 5
邊長 x 4
邊長 x 3
邊長 x 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果一個正方形的邊長是5cm,那麼它的周界是多少?
15cm
10cm
20cm
25cm
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
計算長方形的周界公式是什麼?
2 x (長-寬)
4 x (長+寬)
2 x (長+寬)
3 x (長+寬)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一個長方形的長是8cm,寬是4cm,它的周界是多少?
24cm
32cm
16cm
12cm
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一個正方形的周界是20cm,那麼它的邊長是多少?
20
30
25
15
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一個長方形的周界是30cm,如果長是10cm,那麼寬是多少?
5cm
25cm
20cm
15cm
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一個正方形的周界是16cm,那麼它的面積是多少?
12cm
8cm
20cm
16cm
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