-12,6,-3..
我知規律..
係除-2..
但唔知number pattern係咩..
中1數..
更新1:
li位同學好好.. 但.. 我有簡單既answer la 係........ (-.5)n次x24..
-12,6,-3 既number pattern係..
回答 (1)
2008-06-04 3:21 am
✔ 最佳答案
-12, 6, -3 ..... 用左中5公式去做添…
T(n) = ar^(n-1)= -12 * (-1/2) ^(n-1)
T(1)= - 12 * (-1/2) ^ (1-1) = -12
T(2) = - 12 * (-1/2)^(2-1) = 6
.....
收錄日期: 2021-04-23 17:56:13
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080603000051KK01897