因式分解:::
(1.)X^2-24X
(2.)X^2-12X
(3.)X^2-15X
(4.)X^2+16X
例如::x^2+3x+2
=(x+1)(x+2)
數!!!!!!!!!!!!!!!!!!!!!!!!!!!!
2007-09-26 6:52 am
回答 (2)
2007-09-26 7:22 am
1) X²-24X
=X(X-24)
2) X²-12X
=X(X-12)
3) X²-15X
=X(X-15)
4) X²+16X
=X(X+16)
=X(X-24)
2) X²-12X
=X(X-12)
3) X²-15X
=X(X-15)
4) X²+16X
=X(X+16)
2007-09-26 7:06 am
(1.)X²-24X
=X(X-24)
(2.)X²-12X
=X(X-12)
(3.)X²-15X
=X(X-15)
(4.)X²+16X
=X(X+16)
=X(X-24)
(2.)X²-12X
=X(X-12)
(3.)X²-15X
=X(X-15)
(4.)X²+16X
=X(X+16)
收錄日期: 2021-04-24 00:11:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070925000051KK03682