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不等式の基本性质

Authored by J3L00 黄世基NG

Mathematics

8th Grade

Used 8+ times

不等式の基本性质
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

求不等式的解:

 2x+1<32x+1<3  

 x<2x<2  

 x<1x<1  

 x>2x>2  

 x>1x>1  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

求不等式的解:

 2x+1>3x2x+1>3x  

 x<2x<2  

 x<1x<1  

 x>2x>2  

 x>1x>1  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

求不等式的解:

 2x4x2x-4\le x  

 x4x\le4  

 x4x\le-4  

 x4x\ge4  

 x4x\ge-4  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列不等式的解有何特征?

 x23x\le\frac{2}{3}  

有最大整数解0

有最小整数解0

有最大整数解1

没有最大整数解,也没有最小整数解

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列不等式的解有何特征?

 212x323-2\frac{1}{2}\le x\le3\frac{2}{3}  

有最大整数解3,最小整数解 - 2

有最大整数解3,最小整数解 - 3

有最大整数解4,最小整数解 - 2

有最大整数解4,最小整数解 -3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

求不等式的解:

 2(x6)5x2\left(x-6\right)\le5x  

 x4x\le-4  

 x3x\le3  

 x4x\ge-4  

 x25x\ge-\frac{2}{5}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

求不等式的解:

 32x73-2x\le7  

 x2x\le-2  

 x5x\le5  

 x2x\ge-2  

 x5x\ge-5  

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