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استعن بالله ثم أجب على جميع الأسئلة
إذا تكرر الحل أكثر من مره يوخذ الدرجة الأقل
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Q1
Score: 3.57
صح
خطأ
Q2
Score: 3.57
[2 , 2 - ]
(2 , 2- )
( ∞ , 2 ) ∪ ( 2- , ∞ - )
( ∞ , ∞ - )
Q3
Score: 3.57
{x|x=7+n ,n∈R}
{x|x=7-n ,n∈Z}
{x|x= n ,n∈W}
{x|x=7n ,n∈N}
Q4
Score: 3.57
صح
خطأ
Q5
Score: 3.57
( ∞ , 11)
( ∞ , 11]
( ∞ , ∞ - )
لا يمكن كتابتها على شكل فترة
Q6
Score: 3.57
{x|x ≥-3 ,x∈ z}
{x|x ≤ -3 ,x∈ R}
{x|x ≤-3 ,x ∈z}
{x|x >-3 ,x ∈z}
Q7
Score: 3.57
21
27
33
34
Q8
Score: 3.57
( ∞ , ∞ - )
( ∞ , 12 -)
( ∞ , 12 -]
( ∞ , 2 ]
Q9
Score: 3.57
صح
خطأ
Q10
Score: 3.57
{x|x >50 ,x∈z}
{x|x >50 ,x∈R}
{x|x ≥50 ,x∈R}
{x|x<50 ,x∈R}
Q11
Score: 3.57
7
9 -
8
8 -
Q12
Score: 3.57
a
b
c
d
Q13
Score: 3.57
2a²+3a +1
a²+3a +1
2a²+3a +3
a²+3a +3
Q14
Score: 3.57
صح
خطأ
Q15
Score: 3.57
صح
خطأ
Q16
Score: 3.57
4000
60
2100
900
Q17
Score: 3.57
{x|x ≥ 3 , x ≠2 , x ∈ R}
{x|x ≥ 3 , x ∈ R}
{x|x ≥ 2 , x ∈ R}
R
Q18
Score: 3.57
( ∞ , -45 ) ∪ [ 86 , ∞ -)
( ∞ , 86 ) ∪ [ 45 - , ∞ -)
( ∞ , 86 ) ∪ ( 45 - , ∞ -)
( ∞ , 86 ] ∪ [ 45 - , ∞ -)
Q19
Score: 3.57
{x│x=3n ,n∈Q}
{x│x=n ,n∈N}
{x│x=2n ,n∈R}
{x│x=3n ,n∈N}
Q20
Score: 3.57
( ∞ , 3 ]
( ∞ , 3 )
{ 8} - ( ∞ , 3 ]
{ 8 - } - ( ∞ , 3 ]
Q21
Score: 3.57
6
12
16
32
Q22
Score: 3.57
42 -
12 -
1
12
Q23
Score: 3.57
A
B
C
D
Q24
Score: 3.57
( ∞ , 2]
( ∞ , 2 )
( 2 , ∞ -)
[ 2 , ∞ -)
Q25
Score: 3.57
R
( ∞ , 7 ) ∪(2 , ∞ - )
( ∞ , 7 ) ∪ ( 7 , 2 ) ∪(2 , ∞ - )
( ∞ , 7 )
Q26
Score: 3.57
(15 , 5)
[15, 5)
[15 , 5 ]
(15 , 5]
Q27
Score: 3.57
R
(1 , ∞ - )
( ∞ , 1]
( ∞ , 1 )
Q28
Score: 3.57
{ 4 , 1} - R
{ 4- , 1-} - R
{ 4 } - R
R
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