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小六數學(暑假預習)(圓周)9月1

Authored by SUI LAM

Mathematics

KG

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小六數學(暑假預習)(圓周)9月1
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45 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

一個圓的直徑是24 m,以下哪一道算式能正確計算出圓周?(圓周率=3.14)

24 x 3.14

3.14 x 22

20 x 3.14

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

一個圓的半徑是15 cm,以下哪一道算式能正確計算出圓周?(圓周率=3.14)

15 X 3.14

15 X 2 X 3.14

15 X 4 X 3.14

15 X 15 X 3.14

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

一個圓的半徑是25 cm,求圓周。(圓周率=3.14)

15.7cm

157cm

157m

156cm

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

1.32 m

134 m

136 cm

138 cm

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

一個圓的圓周是12.68 cm,求直徑。(圓周率=3.14)

2 cm

3 cm

3.2 cm

40 mm

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

上圖藍線是1/4個圓形的弧線,求圖藍色線的長度。(圓周率=3.14)

31.4 cm

3.14 cm

62.8 cm

6.28 cm

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

圓的直徑越短,圓周率的值越大。

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