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初中数学试题

Authored by 迪娜古丽 哈力木

Mathematics

6th - 8th Grade

Used 23+ times

初中数学试题
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

1、图中有四条互相不平行的直线L1、L2、L3、L4所截出的七个角。关于这七个角的度数关系,下列何者正确( )

∠2=∠4+∠7

∠3=∠1+∠6

∠1+∠4+∠6=180°

∠2+∠3+∠5=360°

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-3/7的绝对值是

-3/7

-7/3

3/7

7/3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列方程中属于一元一次方程的是

x^2=9

x-6=2

1/(x-2)=8

x+y+z=7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-3的相反数是

3

1/3

-1/3

-3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列事件为必然事件的是

打开电视机,它正在播广告

正数大于负数

汽车经过红绿灯路口时,前方正好是绿灯

抛掷一枚硬币,正面一定向上

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

正八边形中心角的度数是

30

45

60

90

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在平面直角坐标系中点A(3,-1)关于原点的对称点的坐标是

(-3,1)

(3,1)

(-3,-1)

(1,3)

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