TIN 9 BÀI 1
Authored by Kim Chinh
Professional Development
2nd Grade
Used 4+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x = 7
x= -7
x= -7 và x = 7
x = | 7|
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
|2x| = 6 nên x = 3
|2x| = 6 nên x =- 3
|2x| = 6 nên x = 6/2
|2x| = 6 nên
|x| = 3
vậy x = 3 và x = -3.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
|3x| = |-12| nên
|3x| = -(-12) = 12
vậy |x| = 4
do đó x = 4
|3x| = |-12| nên
|3x| = -(-12) = 12
vậy |x| = 4
do đó x = - 4
|3x| = |-12| nên
|3x| = -(-12) = 12
vậy |x| = 4
do đó
x = - 4 và x= 4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x<0
x > 0
x > 4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x > 0
x < 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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