
一元一次不等式
Quiz
•
Mathematics
•
7th Grade
•
Hard
吳健民 吳健民
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
x=-1 不是下列哪一個不等式的解
2x+1 -3
2x-1 -3
-2x+1 3
-2x-1 3
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
有一不等式為 8(x+3)-2(3x-6) 4(x+5)
x 8
x 8
x 7
x 7
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
米妮買了每本 12 元的便條紙 5 本,每枝 8 元的原子筆 3 枝,以及每枝 25 元的螢光筆 y 枝,總共不超過 200 元,請問米妮可能買了幾枝螢光筆?
7
6
5
4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
不等式 2-(1+x) 2(2x-3)的最大整數解為何?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
若 x -2,且 x>-3,則可以合併寫成下列哪一個式子?
x>-3
x -2
x -3
x > -2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
某餐廳舉辦「三人同行一人免費」的特賣活動,米妮與爸爸、媽媽各吃了一份特餐,結帳時發現平均每人的花費不超過 180 元,若一份特餐 x 元,則 x 最大為下列何值?
250
260
270
280
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
設 a<0,求 x 的一元一次不等式 3ax>2a 的解為下列哪一選項?
x>2/3
x<2/3
x<-2/3
x>-2/3
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