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数学选择题

Authored by changhai li

Mathematics

7th Grade

Used 8+ times

数学选择题
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24 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

数轴上某一个点表示的数为a,比a小2的数用b表示,那么|a|+|b|的最小值为()

0

1

2

3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列四个选项中,为负整数的是()

0

﹣0.5

﹣1.3

﹣3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

若两数之积为负数,则这两个数一定是()

同为正数

同为负数

一正一负

无法确定

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

用四舍五入法把6.6954精确到百分位得到的近似数是()

6.7

6.70

6.695

6.80

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列各组数中,互为相反数的是()

﹣(﹣3)与3

3的4次方与4的3次方

|﹣4|与2的2次方的相反数

﹣5与﹣(-5)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列说法正确的是()

0是整式

﹣a<0

是单项式

|a|>a

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

﹣a、b两数在数轴上的位置如图,下列结论正确的是()

a>0,b<0

a<b

|a|=﹣a,|b|=﹣b

|a|>|b|

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