3(Y+1)^2-5(Y+1)(Y-1)+2(Y-1)^2,化简
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3(Y+1)^2-5(Y+1)(Y-1)+2(Y-1)^2,化简3(Y+1)^2-5(Y+1)(Y-1)+2(Y-1)^2,化简3(Y+1)^2-5(Y+1)(Y-1)+2(Y-1)^2,化简原式=[
3(Y+1)^2-5(Y+1)(Y-1)+2(Y-1)^2,化简
3(Y+1)^2-5(Y+1)(Y-1)+2(Y-1)^2,化简
3(Y+1)^2-5(Y+1)(Y-1)+2(Y-1)^2,化简
原式=[3(Y+1)-2(Y-1)][(Y+1)-(Y-1)]=(3Y+3-2Y+2)(Y+1-Y+1)=2(Y+5)
3(y+1)2-5(y+1)(y-1)+2(y-1)2
=3y²+6y+3-5y²+5+2y²-4y+2
=2y+5
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y (3y^2+8y-3)-6y(3y+2y-1)+9y
解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)
5y∧2-(y-2)(3y+1)-2(y+1)(y-5)
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
解方程3y^2-(2y+1)(y-2)=(y-5)(y-1)
解方程:3y²-(2y+1)(y-2)=(y-5)(y+1)
3(Y+1)^2-5(Y+1)(Y-1)+2(Y-1)^2,化简
方程5y(2y-3)=(y+2)(y-2)-1
通分 y+3/y*y-6y+9,1/2y+6,y-1/y*y-9
5y²-(y-2)(3y+1)-2(y+1)(y-5)计算
5y的平方-(y-2)(3y+1)-2(y+1)(y-5)
初二数学5y平方-(y-2)(3y+1)-2(y+1)(y-5)
(96/y²16)+(3y-1/4-y)=(2y-1/y+4)-5
微分方程y''-3y'+2y=5,y(0)=1,y'(0)=2求解过程
y-(y-1)/2=1-(2y-3)/5