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Đề thi tuyển lớp 10 môn toán Tỉnh Thái Bình

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$ 23+,-.'4)$
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*)

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)e$
#Y
XZ/<(=(>6 M,N*8 ?8e #Y
$,-.'(=(>6 

);⇔


``)
#Y
6@<(A+⇔,-.'(=5+A+
⇔∆f);"⇔"*$
#Y
g(ThX*g#5
 
 
  
  
+ =


= −

$
g3K
  
         
    B        B+ + + = ⇔ + − + + =
⇔B;;)B⇔)]⇔)B"*39
#Y
XZ/F.TM'>)B$
#Y
!
' CDE <C E !(F/!CD5(=67((F/
GE$2&HA(, 54IJC(KDE$2&#LM,N.(
>HC#HD O.(>CD$
$ L⊥CE E⊥CL$
$ F(C#O#L##EP.QR=(,.S$

?$ CL$DE)E$C$
&/"
H,!6W3'()*+, /0'12)*34536)3/37.345/37.8)3?
$∆HCD5H)C#LH)LD
⇒L(,.'>∆HCD⇒LiiCD
#Y
CE⊥CD '
µ

C e =
⇒L⊥CE$
#Y
∆CEL5L⊥CE.Q#CH⊥DE
⇒L CH(,>∆CEL⇒.jA>∆CEL
#Y
⇒C(,⇒E⊥CL$
#Y
$X'L(,.'>∆HCD⇒LiiCD#

L CD

=

k<5EiiCD#

E CD

=

⇒EiiL#E)L

#Y
⇒EL''⇒EiiL$
#Y
E⊥CL.Q⇒L⊥CL⇒
·

CL e=
#Y
l4F#_FCEO5EiiCO 'EiiCD#E)CO 'RP

CD


⇒CEO''
#Y
⇒
·
·

CO CE e= =
#Y
5
· ·
·

CE CL CO e= = =
⇒F(C#O#L##EP.QR=(,.S
(,4hC$
#Y
?$^_(,.S(,4hC5

·
·
CEL CL=
5=KR@
»
CL

/
·
·
CED CL=
#Y
^_∆CDE ∆LC5
·
·

ECD LC e= =
#
·
·
CED CL=
.Q
⇒∆CDEm∆LC$
#Y
⇒
CD DE
CL C
=
CD)E⇒
E DE

CL C
=
#Y
⇒CL$DE)E$C($
#Y
"
?016,-##39;;)?$'F.T!7>

  
U $
  ?  ?  ?  
= + +
+ + + + + +

/"
H,!6W3'()*+, /0'12)*34536)3/37.345/37.8)3B
X!#"5B≤;

      
  B   B  
+
 
⇔ ≤ ⇔ ≤ +
 ÷
+ +
 

E7P5⇔)$
n6o4Kp3.Q#5
    

  ?   ? B   ?
 
= ≤ +
 ÷
+ + + + +
 
k<5
       
 ?
 ?
  B    q


 
 
 
 ÷
= ≤ + = × +
 ÷
+ +
 
 ÷
+
+ +
 ÷
 
 
,-j
   
     q

≤ × +
+ +
⇒
       
     q B    q
≤ × + ≤ × + +
+ + +
?      
B    q   e e
⇒ × ≤ + ⇔ ≤ +
+ +
#Y
r/.
       
  ? B   ? B e e ?
   
≤ + ≤ + +
 ÷  ÷
+ + +
   

,-j
    
 ?  B e ? e
 
≤ + +
 ÷
+ +
 



    
?   B ? e e
 
≤ + +
 ÷
+ +
 
?
r/.
            
?
  ?  ?  ?   B ? ? ? q  q 
+ +
 
+ + ≤ + + = × = × =
 ÷
+ + + + + +
 
B
F7(:# ?567P3/.⇔))$
S7(:B567P3/.⇔)))
XZ/U
)


⇔

)))
#Y

H,!6W3'()*+, /0'12)*34536)3/37.345/37.8)3Y

×