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5-1認識一元一次不等式

Authored by 于 世偉

Mathematics

7th Grade

Used 9+ times

5-1認識一元一次不等式
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15 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

在1~10的正整數中,3x>15有幾個整數解?

4個

5個

6個

7個

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

m在60以上,但未滿80,則m的範圍為何?

60≦m≦80 

60≦m<80

60<m≦80

60<m<80

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

下圖是下列哪一個不等式解的圖示?

x<2 

x>2 

x≦2

x≧2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

請問1、2與3這三個數是下列哪一個不等式的解?

3x+1<4

3x+1≦4

3x+1≧4

3x+1>4

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

一梯形的上底是8公分、下底是14公分、高為b公分,若其面積不大於50平方公分,則依題意可列出下列哪一個不等式?

22b<50

22b≦50

11b<50

11b≦50

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

a不小於5」的意義,和下列哪一個式子相同?

a>5

a≧5

a<5

a≦5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

整數a的相反數加上10之後必小於-3。根據以上敘述,可列出下列哪一個不等式?

a+10<-3a

a+10<-3

a+10≦-3

a+10≦-3

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