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整式定義

Authored by 蔡靖晴蔡靖晴 蔡靖晴蔡靖晴

Mathematics

7th Grade

Used 8+ times

整式定義
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15 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

下列哪些是整式?

分式

單項式

多項式

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

多項式中不含 字母 的項叫做

常數項

同類項

最高次項

數字項

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 3a2bc3a^2bc  的係數和次數分別是

係數: 3 ; 次數:4

係數: -3 ; 次數:3

係數: 3 ; 次數:3

係數: -3 ; 次數:4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

8 的係數和次數分別是

8 ; 0

0; 8

8; 8

8; 1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2xyz3\frac{2xyz}{3}  的係數為

 23\frac{2}{3}  

2

3

 32\frac{3}{2}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 −3πxy2-3\pi xy^2  的係數和次數分別是

 −3π ; 3-3\pi\ ;\ 3  

-3 ; 3

3 ; 3

 3π ; 33\pi\ ;\ 3  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 −3x2+5x4+27-3x^2+5x^4+2^7  的最高次項 和 次數 是

 5x4 ; 4 5x^4\ ;\ 4\   

 27 ; 72^7\ ;\ 7  

 5x4; 135x^4;\ 13  

 27; 132^7;\ 13  

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