8 -3次方=????
8 0次方=?????
要解釋下點解係咁既答案
about maths既一d野
2007-07-17 11:03 pm
回答 (3)
2007-07-17 11:11 pm
✔ 最佳答案
8^ -3=1/512(8^3是512,若果次方上有負號,就要把數值被1除)
*其實我都不是很清楚字面上如何解釋~希望你明la~
8^0=1
(冇得解...)
2007-07-17 11:51 pm
8^3 = 512
8^0 = 1
8^0 = 1
2007-07-17 11:11 pm
8^(-3) = 1/(8^3) = 1/512
x^-a = 1/(x^a)
8^0 = 1
x^0 = 1
x^-a = 1/(x^a)
8^0 = 1
x^0 = 1
收錄日期: 2021-04-13 00:47:48
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070717000051KK02405