
中二: 誤差
Authored by Lam Fung
Mathematics
9th Grade
Used 6+ times

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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。下列何者不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。(注意是下捨入,不是捨入)
100
160
170
200
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