2006-10-22 08:14 PM
[`CHIN-]
F.2 MATHS * ( 急 }
又加多2條題目!!
18x^-2y^-6x+2y { 因式分解 }
8zx+12yz-16xyz-24zy^ { 因式分解 }
[[i] 本帖最後由 yanco``千 於 2006-10-22 09:32 PM 編輯 [/i]]
2006-10-22 08:22 PM
小楠`
(2X-Y-A)^=4X^-Y^-A^
(A+2B-3K)^=A^+4B^-9K^
{ ^=2次方 }
唔知岩唔岩*
2006-10-22 08:55 PM
[`CHIN-]
加多2條題目!!
XY-X+2Y-2 {因式分解}
AX+AY-Y-X {因式分解}
2006-10-22 09:05 PM
1234567;D
1. X(Y-1)+2(Y-1)
=(X+2)(Y-1)
2. A(X+Y)-(Y+X)
=(A-1)(X+Y)
2006-10-22 09:21 PM
[`CHIN-]
[quote]原帖由 [i]楠b[/i] 於 2006-10-22 08:22 PM 發表
(2X-Y-A)^=4X^-Y^-A^
(A+2B-3K)^=A^+4B^-9K^
{ ^=2次方 }
唔知岩唔岩* [/quote]
OK,,
THX*
2006-10-22 09:22 PM
[`CHIN-]
[quote]原帖由 [i]PHLOII[/i] 於 2006-10-22 09:05 PM 發表
1. X(Y-1)+2(Y-1)
=(X+2)(Y-1)
2. A(X+Y)-(Y+X)
=(A-1)(X+Y) [/quote]
THX 回答!!
=)*
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