14시에 측정한 진희네 집의 1분간 평균 소음도가 x dB이다. 진희네 집이 층간 소음의 기준을 초과했다고 할 때, x의 값의 범위를 부등호를 사용하여 나타내면?

부등식과 그 해

Quiz
•
Mathematics
•
8th Grade
•
Medium
박진일 박진일
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17 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
23시와 24시 사이에 측정한 성진이네 집의 최고 소음도가 y dB이다. 성진이네 집의 최고 소음도가 기준 이하라고 할 때, y의 값의 범위를 부등호를 사용하여 나타내면?
3.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
1
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5
4.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
-2
-1
0
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5.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
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6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
다음 중 등식의 성질이 아닌 것은?
7.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
다음 중 부등식을 모두 고르면?
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