de kiem tra hoc ki 1 toan 10(co ban) 3013 - 2014

Năm hc 2013 – 2014 Đ KHẢO SÁT CHẤT LƯỢNG HC K I
MÔN TOÁN KHI 10
Thi gian làm bài: 90 pht
Câu 1:
{ }
  A x x= ∈ ≤ <R

{ }
  B x x= ∈ − < ≤R

  !"#$%$&%
 '#(
) ) *A B A B A B∪ ∩
+,"-./0/1
Câu 2:2345#(6&41&"7


 
 8
x
y x
x
+
= − +
−
9%:;/3&"7
&
   
 
x x
x x

− +
=
+ −
+

 < = x x− + =


   x x x− = − −

Câu 3: GG>?:@/AB46&&&4ABCA>B>C>C
4/D7
E E E  EAA BB CC GG+ + =
uuuur uuuur uuuur uuuuur

Câu 4: 2/4FG
Oxy

( ) ( )
H)I) =) ) )A B C

 234A&#J/AB4
G
6&
ABC∆
A&#J#,4D&CABCD
3+3
 C4/D
AB AC⊥
uuur uuuur

 ! &4
Câu 5: C4/D7
  
   
$ $ $ K

a b b c c a a b c a b c
a b c
 
 ÷
 
+ + + + + ≥ + + ∀ >
.
Năm hc 2013 – 2014 Đ KHẢO SÁT CHẤT LƯỢNG HC K I
MÔN TOÁN KHI 10
Thi gian làm bài: 90 pht
Câu 1:
{ }
  A x x= ∈ ≤ <R

{ }
  B x x= ∈ − < ≤R

  !"#$%$&%
 '#(
) ) *A B A B A B∪ ∩
+,"-./0/1
Câu 2:2345#(6&41&"7



 
 8
x
y x
x
+
= − +
−
9%:;/3&"7
&
   
 
x x
x x
− +
=
+ −
+

 < = x x− + =


   x x x− = − −

Câu 3: GG>?:@/AB46&&&4ABCA>B>C>C
4/D7
E E E  EAA BB CC GG+ + =
uuuur uuuur uuuur uuuuur

Câu 4: 2/4FG

Oxy

( ) ( )
H)I) =) ) )A B C

 234A&#J/AB4
G
6&
ABC∆
A&#J#,4D&CABCD
3+3
 C4/D
AB AC⊥
uuur uuuur
 ! &4ABC
Câu 5: C4/D7
  
   
$ $ $ K

a b b c c a a b c a b c
a b c
 
 ÷
 
+ + + + + ≥ + + ∀ >
.