老師想為一張長20厘米,寬15厘米的照片配個鏡框,需要一塊多大的玻璃?
P3長方形正方形面積(2)

Quiz
•
Mathematics
•
3rd Grade
•
Medium
卡路 卡路
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
20×15=300 (平方厘米)
(20+15)×2=70厘米
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
老師想為這張照片配個鏡框,四周圍上木條,共需要多長的木條?
20×15=300 (平方厘米)
(20+15)×2=70厘米
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
花園裡有一個正方形的荷花池,它的邊長是50米,圍著走一圈是多長呢?
50×50=2500(平方米)
50×4=200米
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
求圖形的面積
4×4=16(平方厘米)
4×4=16(厘米)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
求圖形的周長
4×4=16(平方厘米)
4×4=16(厘米)
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