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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