maths (只有一題)
回答 (2)
2007-11-23 12:38 am
✔ 最佳答案
設首個數是(2n+1)[(2n+1)+(2n+2)+(2n+3)] /3=12
2n+1+2n+2+2n+3=36
6n+6=36
6(n+1)=36
n=5
(2n+1)個數的中位數=(2n+2)
=(2 x 5 +2)
=12
2007-11-22 2:30 am
答案應該係５.５
收錄日期: 2021-04-13 21:42:18
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