34. (3.6*10^9+4*10^8)^-1
Ans: 2.5*10^-10
24. 16x^2-8xy+3/4 y^2
Ans: 1/4(8x-y)(8x-3y)
30. 2p^6-128
Ans: 2(p+2)(p^2-2p+4)(p-2)(p^2+2p+4)
收錄日期: 2021-04-13 15:29:36
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080427000051KK01749