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代数式练习2023-01

Authored by 黄轩辉Wong Hui

Education

12th Grade

Used 8+ times

代数式练习2023-01
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23 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

若 a = -3, b = -2, c = 4, 求下列各式的值:    

a-5

8

-8

-2

2

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

若 a = -3, b = -2, c = 4, 求下列各式的值:    

ab2

7

-7

-12

12

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

若 a = -3, b = -2, c = 4, 求下列各式的值:    

a2 + b2

13

10

14

-13

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

y+y+y+y+y+y+y+y

y

8y

y8

-8y

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

5a+7b-2a-3b

3a-4b

-3a-4b

-3a+4b

3a+4b

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

以下哪项是单项式

+3ab

-2y+6

-8mnpq + x-4y +5

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

以下哪项是多项式

+3ab

-2y+6

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