L3 - Lesson 15/6/2024 第6讲 巧求周长进阶
Authored by LU SILING
Mathematics
3rd Grade
Used 1+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
30
25
35
40
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
30
24
32
26
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
计算图形周长
(a)
5.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
练习1
计算下面这个图形的周长。
(a)
6.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
用五个完全相同的小长方形拼成一个如图所示的大长方形,小长方形的
周长是40厘米,那么大长方形的周长是多少?
(a)
7.
FILL IN THE BLANKS QUESTION
2 mins • 1 pt
练习2
4个完全相同的小长方形拼成一个如图所示的大长方形,只知道小长方形
的宽是2厘米,大长方形的周长是多少?
(a)
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