小六數學題

🎓 學業台小學及中學教育

[匿名]

2013-10-05 8:23 pm

26,32,64,2,26,32,44,64,2,44,26,32.
問44這組數的平均數是多少?
答案是 : 42.42
請問這題數是問什麽 ? "這組數" 是什麽意思 ?
如何計算 ?
謝謝

回答 (4)

stella

2013-10-09 3:57 am

✔ 最佳答案

不如我比條公式你:

平均數=總和除以項數
總和=平均數乘以項數
項數=e.g.26,32,64,2,26,32,44,64,2,44,26,32=12個

解題:
26,32,64,2,26,32,44,64,2,44,26,32/12
=(26+32+64+2+26+32+44+64+2+44+26+32)/12
26,32,64,2,26,32,44,64,2,44,26,32=這組數的平均數

Thanks !
Hope I can help you !

參考: 由我呢個secondary school student afford the answer for you .

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木

2013-10-07 2:51 am

Help!
subtract the product of c and d from the sum of a and one-third of b

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用戶39404

2013-10-06 2:44 am

26+32+64+2+26+32+44+64+2+44+26+32=x
x除以咁多組,即係12(平均數)

參考: MY

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[匿名]