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解方程 (1)3(y+1)=2y﹣1 (2)2﹣=.

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y3<y2<y1   y2<y3<y1    y1<y2<y3   y1<y3<y2  
2x﹣2y=2  3x﹣3y=2  2x﹣y=4  2x﹣2y=4  
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))  
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))  
y″-2y′-3y=0  y″+2y′-3y=0  y″-3y′+2y=0  y″+3y′-2y=0  
c1y1+c2y2+y3  c1y1+c2y2-(c1+c3)y3  c1y1+c2y2-(1-c1-c2)y3  c1y1+c2y2+(1-c1-c2)y3  
,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))  
c1y1+c2y2  c1Y1(x)+c2Y2(x)  c1y1+c2y2+Y1(x)  c1y1+c2y2+Y1(x)+Y2(x)  
)y1 >y2 (  )y1 =y2 (  )y1 )不能比较  

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