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݋A={x4x2x+2+a=0,xR}.1AaB2aB


݋={42+=0,R}.

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2B6(2).


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݋A={x|4x2x+2+a=0,xR}.(1)A,....doc

݋A={x|4x2x+2+a=0,xR}. (1)A,aB; (2)aB,x26x<a(x2),x...

1.1.1(1).doc

M={m|m=2k,kZ},X={x|x=2k+1,k...(a-1)x+b=0}, a, a=_... A B, a . 15. A...

1.1.3().doc

{-1,0,1} ) 4 . M = {xR| - 3...}. (1) A=, a ; (2) ...: A , a ? 0 , ?...

1().doc

( C ) A.{x|x2+2=0}... M={m|m=2k,kZ},X={x|x=2k+1,k... A , a ; A ...

1 1 .doc

{x|ax2-2x+l=0,x,aR}, a...B 2a+4, a ....(1) 2A, a ; (2) A ...

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4. A={xR|ax2-3x+1=0,aR}, A ...A, a . : :...

1 .doc

=0(xR). ( A.1 B.2...(2a-1)x+5 , a 16.... A , a ; A ...

1().doc

, k x2 ??0,1, x? 2 ,...a2+2a-3},B {a+3,2}, 5A,... A , a ; A ...

A1.doc

B. 2 C. 0 ...B , a . 19. S= ?3 ...(1) A , a ,...

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A={-1,2}, B={x|x2+ax+b=0}...A m , A ,...(1) A B, a ; (2)...

1̦_.ppt

)mA, mA,...A, a

2012 01 A1.doc

0x2}, AB , m ...{xR|ax2-3x+2=0,aR}, A ...; (2)AB ; (3) ...

A={x|(k+1)x2+x-k=0},k.doc

A={x|(k+1)x2+x-k=0},k. :AA,...

1),_.ppt

? 7.: ? 8....A={1,0,a},a2A,a...

1.1.1_(1).doc

( ) A.{x|x2+2=0}...={x|x2=0} B.M={(x,y)|y=x2+1,xR}...(a-1)x+b=0}, a, a=___...

1.doc

(a-1)x+b=0}, a, a=___...(2a-1)x+5 , a 16....A , ax2-3x+2=0 ...

1.doc

A B , , ... P={x|2<x<k,xN,kR}, P ... aR. AB=B, a ...

(++).doc

B ( A.0 B.1 C.2 ...1. A={x|x -3x+2=0,xR},B={x...U C ? ? , a . 5. ...

A1-.doc

(2)<f(1) 12. A={x | x2+(a-1)x+b=0}, .... 15.y=(2a-1)x+5 , a 16. f(x) R ...

...{(x,y)|x+y=3,0x3},AB_..._.doc

A={(x,y)|y=-x2+mx-1},B={(x,y)|x+y=3,0x3},AB,m. ...

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