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化简求值:y2(y-1)+2y(y2-2y+3),其中y=-1.

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y3<y2<y1   y2<y3<y1    y1<y2<y3   y1<y3<y2  
Abs(e^3*a+1g(y1^3)+1/sin(y2))  Abs(Exp(3)*a+Log(y1^3)/Log(10)+sin(y2))  Abs(Exp(3)*a+Log(y1^3)+sin(y2))  Abs(Exp(3)*a+Log(y1^3)+1/sin(y2))  
(-2,y1),  (2,y2),  (3,y3)都在反比例函数y=-的图象上, 则下列结论中正确的是 A.y1< y2< y3B.y3 < y2< y1C.y1< y3 < y2  y2 < y3 < y1  
y3<y2<y1   y1<y2<y3   y2<y1<y3   y2<y3<y1  
Abs(E^3+Log(Y1)+1/Tg(Y2))  Abs(Exp(3)+Log(Y1)/Log(10)+Atn(Y2))  Abs(Exp(3)+Log(Y1)+1/Atn(Y2))  Abs(Exp(3)+Log(Y1)+1/Am(X))  
y=cy1(x)+y2(x)  y=y1(x)+c2y2(x)  y=c[y1(x)+y2(x)]  y=c1y(x)-y2(x)  
Abs(e^2*a+Log(y1^3)+Sin(y2))  Abs(Exp(2)*a+Log(y1^3)/Log(10)+Sin(y2))  Abs(e^2*a+lg(y1^3)+Sin(y2))  Abs(Exp(2)*a+Log(y1^3)+Sin(y2))  
(-2,y1),  (2,y2),  (3,y3)都在反比例函数y=-的图象上, 则下列结论中正确的是 A.y1< y2< y3B.y3 < y2< y1C.y1< y3 < y2  y2 < y3 < y1  
(-3,y1),  (-2,y2),  (-1,y3)三点都在函数y=-的图象上,则y1、y2、y3的大小关系是(   ). A.y1>y2>y3  B.y1<y2<y3  C.y1=y2=y3    y1<y3<y2  
,y1)、  ,y2)、  ,y3)是该二次函数图象上的三点,则y1、 y2、 y3的大小关系是-----------------------------------------------( ) A.y2< y1< y3 B. y1< y2< y3 C. y3< y2< y1    y2< y3< y1  
(﹣2,y1),  (3,y2)是反比例函数y=(k<0)图象上的两点,则有(  )   A. y1<0<y2B. y2<0<y1   y1<y2<0    y2<y1<0   
y2<y1<0  y1<y2<0  y2>y1>0  y1>y2>0  
Abs(E^3+Log(Y1)+1/Tg(Y2))  Abs(Exp(3)+Log(Y1)/Log(10)+Atn(Y2))  Abs(Exp(3)+Log(Y1)+1/Atn(Y2))  Abs(Exp(3)+Log(Y1)+1/Am(X))  
Abs(e^3*a+1g(y1^3)+1/sin(y2))  Abs(Exp(3)*a+Log(y1^3)/Log(10)+sin(y2))  Abs(Exp(3)*a+Log(y1^3)+sin(y2))  Abs(Exp(3)*a+Log(y1^3)+1/sin(y2))  
y″-2y′-3y=0  y″+2y′-3y=0  y″-3y′+2y=0  y″+2y′+y=0  
Abs(e^2*a+Log(y1^3)+Sin(y2))  Abs(Exp(2)*a+Log(y1^3)/Log(10)+Sin(y2))  Abs(e^2*a+lg(y1^3)+Sin(y2))  Abs(Exp(2)*a+Log(y1^3)+Sin(y2))  
)y1 >y2 (  )y1 =y2 (  )y1 )不能比较  

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