4數_圖形的周界
Quiz
•
Mathematics
•
4th Grade
•
Practice Problem
•
Hard
Shuk Ng
Used 2+ times
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7 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
1) 以下哪個/些圖案有周界呢?(答案可多於一個)
Answer explanation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2) 正方形的周界公式是甚麼?
邊長 - 4
邊長 + 4
邊長 X 4
邊長 + 邊長
Answer explanation
正方形的特性是4邊長度相等
因此,知一邊的邊長已可找到整個正方形的周界
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3) 長方形周界的公式是甚麼?
(長 + 闊) X 4
(長 + 闊) X 2
(長 + 闊) + 4
(長 + 2) X 闊
Answer explanation
由於長方形的其中一個特性是兩組對邊長度分別相等,所以需要知道長和闊是多少,相加後乘2,便可得知整個長方形的周界是多少。
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪條/些列式可得出此圖形的周界?
8 X 4 + 4 X 4
8 X 3 + 4 X 3 + (8 – 4)
(8 + 4 + 8) X 2
(8 + 4 ) X 4
Answer explanation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪條算式可以找到此圖形的周界?
(3+7+7) X 2
3+7+3+7
3 X 2 + 7 X 2
無法計算
Answer explanation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪條算式可計算此圖的周界?
4 X 4
4 + 4 + 4 + 4
(4 + 4) X 2
無法計算
Answer explanation
由於圖形的資料不足,未能計算此圖的周界
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪條算式可找到此圖形的周界?
( 6 + 9 ) X 2 + 2 X 4
( 6 + 9 ) X 2
( 6 + 9 ) X 2 + 2 X 2
無法計算
Answer explanation
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