個d 是唔是中學的=.=?我中1 好像識 是唔明個^ 是什麼=.=
kwokwai123 發表於 2009-8-1 04:52 PM https://bbs.tennyy.com/images/common/back.gif
明5明呢個^^玩開水滸就明:80;
車= =””咁我唸我明啦
重有好多唔識呀= =
6b^2-17b/2+3
(b-1)^2-10(b-1)+25
a^2(b+1)^2-16
全部都係factorize= =
呢個a^2(a-b)唔明點得出
2493# 339122
你中幾=.=
本帖最後由 charlesli 於 2009-8-1 04:59 PM 編輯
重有好多唔識呀= =
6b^2-17b/2+3
(b-1)^2-10(b-1)+25
a^2(b+1)^2-16
全部都係factorize= =
339122 發表於 2009-8-1 04:55 PM https://bbs.tennyy.com/images/common/back.gif
呢個係減(17b)除2定係減17(b除2)
呢個a^2(a-b)唔明點得出
Rayc 發表於 2009-8-1 04:56 PM https://bbs.tennyy.com/images/common/back.gif
揪a既2次方出黎
339122升中四
339122升中四
Rayc 發表於 2009-8-1 04:58 PM https://bbs.tennyy.com/images/common/back.gif
同我一樣....
(17/2)*b= =
你們至少大我兩年-_-