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中二: 誤差

Authored by Lam Fung

Mathematics

9th Grade

Used 6+ times

中二: 誤差
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

把1647捨入至三位有效數字時,求它的絕對誤差。

3

7

47

53

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

某直尺的刻度間距是0.1 cm。求用該直尺所得的量度值的最大絕對誤差。

0.1 cm

0.5 cm

0.01 cm

0.05 cm

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

求下列近似值的最大絕對誤差。

18 cm,準確至最接近的cm

1 cm

0.5 cm

0.2 cm

0.1 cm

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

德培跑100 m所需的時間是12.8 s,準確至最接近的0.1 s。下列何者可以是德培實際所需的時間?

12.76 s

12.81 s

12.84 s

12.87 s

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一塊金屬片量度得的重量是22 g。量度工具的刻度間距是1 g。求金屬片的實際重量的下限

21 g

21.5 g

22.5 g

23 g

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

把162下捨入至一位有效數字。(注意是捨入,不是捨入)

100

160

170

200

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