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设在全平面上有,则能使不等式f(x1,y1)<f(x2,y2)成立的条件是______。

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x1>x2,y1<y2  x1<x2,y1<y2  x1>x2,y1>y2  x1<x2,y1>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))  
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(-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  
x1>x2,y1<y2  x1<x2,y1<y2  x1>x2,y1>y2  x1<x2,y1>y2  
(﹣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   
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x1=2 y1=2 x2=2 y2=1  x1=2 y1=2 x2=2 y2=2  x1=2 y1=1 x2=2 y2=2  x1=2 y1=1 x2=2 y2=1  
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MC(Y1+Y2)=MR1(Y1)=MR2(Y2  MR2(Y2)>MC(Y1+Y2)=MR1(Y1)  MR1(Y1)>MC(Y1+Y2)=MR2(Y2)  MR1(Y1)=MR2(Y2)=MC(Y1+Y2)  
)y1 >y2 (  )y1 =y2 (  )y1 )不能比较  

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