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長方形的周界

Authored by CHAK FUNG

Mathematics

4th Grade

Used 2+ times

長方形的周界
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8 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

長方形周界的公式是?

長 x 2 + 闊 × 2

( 長 + 闊 ) × 2

長 + 長 + 闊 + 闊

長 x 4

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

這個長方形告示牌的周界是多少 cm?

54 cm

108 cm

162 cm

216 cm

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

穎彤收到一張長方形生日卡,它的周界是 44 cm,闊是 9 cm。生日卡的長是多少 cm ?

26 cm

79 cm

35 cm

13 cm

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

一塊長方形木板長 36 厘米,闊 24 厘米。

一隻螞蟻沿木板周邊走了 3 圈,牠共走了多少厘米?

240 厘米

180 厘米

360 厘米

120 厘米

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

 左面的圖形由五個大小相同的小長方形組成,

每個小長方形的周界是多少 cm?

308 cm

140 cm

70cm

280cm

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

長方形鏡子長 48 cm,闊是長的一半,這面鏡子的周界是多少 cm?

288 cm

144 cm

72 cm

36 cm

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

左面的大長方形由四個大小相同的小長方形拼砌而成,

小長方形的闊是 2 cm。大長方形的闊是多少 cm?

4 cm

2 cm

6 cm

8 cm

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