
6上8. 平均數
Authored by Chi Cheong Lee
Mathematics
5th Grade
Used 7+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10,11,12,13,14的平均數是多少?
8
11
12
16
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
20,30,40,50,60的平均數是多少?
10
35
45
40
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6,8,10,12,14,16的平均數是多少?
9
11
14
15
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某5個數的平均數是 20,如果首4個數的平均數是22,第5個數的數值是多 少?
88
100
20
12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某組數的平均數是 50,把以下哪個數加入該組數後,新的平均數會比原來的大?
66
50
48
39
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4、6、5、0、0 的平均數是多少?
3
4
5
6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小欣有 4 條絲帶,平均每條的長度是 10 cm,其中 3 條的平均長度是11cm,餘下一條的長度是多少?
22cm
7cm
16cm
1cm
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