(p-4)(p+1)+3p怎么做?4XY²-4X²Y-Y³怎么做?
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(p-4)(p+1)+3p怎么做?4XY²-4X²Y-Y³怎么做?
(p-4)(p+1)+3p怎么做?
4XY²-4X²Y-Y³怎么做?
(p-4)(p+1)+3p怎么做?4XY²-4X²Y-Y³怎么做?
(p-4)(p+1)+3p
=p²-3p-4+3p
=p²-4
=(p+2)(p-2)
4XY²-4X²Y-Y³
=y(4xy-4x²-y²)
=-y(2x-y)²
p-4)(p+1)+3p
(p-4)(p+1)+3p
=p²-3p-4+3p
= p²-4
=(p+2)(p-2)
4XY²-4X²Y-Y³
=Y(4XY-4X²-Y²)
=-Y(4X²-4 XY+Y²)
=-Y(2X-Y) ²
(p-4)(p+1)+3p怎么做?4XY²-4X²Y-Y³怎么做?
(p-4)(p-1)+3p 怎么写?
(p-4)(p+1)+3p 怎么做 带具体过程.
(p+4)(p+1)+3p 怎么分解因式
因式分解(p-4)(p+1)+3p
(p-4)(p+1)+3p
(p-4)(p+1)+3p
(p-4)(p+1)+3p
(p-4)(p+1)+3p=?
(p-4)(p+1)+3p
分解因式 (P-4)(p+1)+3p
(p-4)(p+1)+3p 分解因式
因式分解:(p-4)(p+1)+3p
初三数学问题,有点难,不知道怎么转化.∴4p²+6p+4=4+2p(4p²+9p+6),∴p(4p+3)(p+1)=0,
分解因式:(a-b)的平方+4ab;和(p-4)(p+1)+3p;怎么做啊!要快点回消息.
公用签1p 2p 3p 4p 5p
问一个概率问题,随机变量X与Y相互独立,X服从正态分布,Y的概率分布P{Y=-1}=1/4,P{Y=1}=3/4,Z=XY请问这样做正确否?P{XY《Z}=P{X《Z,Y=1}+P{-X《Z,Y=-1}=P{X《Z}P{Y=1}+P{-X《Z}P{Y=-1}
分解因式(p+4)×(p-4)+3p