指數定律:
-b^4 x 3b^5 x 6b^10
=??
指數定律!!幫下手!!
2009-09-19 1:02 am
回答 (1)
2009-09-19 2:29 am
✔ 最佳答案
-b^4 x 3b^5 x 6b^10= -3b^(4+5) * 6b^10
= (-3*6)b^(4+5+10)
= -18b^19
Formula : a^x * a^y = a^(x+y)
收錄日期: 2021-04-21 22:06:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090918000051KK00821