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2021_F2_Maths_CH4 代數分式_化簡

Authored by shun lin

Mathematics

7th - 8th Grade

CCSS covered

Used 3+ times

2021_F2_Maths_CH4 代數分式_化簡
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15 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

選出下列哪項是代數式。

9×9=819\times9=81

6m6m

km\frac{k}{m}

9+9A=189+9A=18

50−X50-X

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

選出下列哪項是方程。

 9k−9=819k-9=81 

 16n−416n-4 

 36m=12\frac{36}{m}=12 

 97−12a97-12a 

 X−3=0X-3=0 

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

一個機械人重k公斤,18個機械人重多少公斤?

18k 

18+k 公斤

18 ÷\div  k 公斤

18k 公斤

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

以下哪一项是正确的?

23+23=46\frac{2}{3}+\frac{2}{3}=\frac{4}{6}

27−12=14\frac{2}{7}-\frac{1}{2}=\frac{1}{4}

910−15=810\frac{9}{10}-\frac{1}{5}=\frac{8}{10}

12+14=34\frac{1}{2}+\frac{1}{4}=\frac{3}{4}

Tags

CCSS.7.NS.A.1C

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

友迪买了一个比萨饼,他吃了 58\frac{5}{8}  块后,还剩下多少块比萨饼?

 38\frac{3}{8}  

 16\frac{1}{6}  

 58\frac{5}{8}  

 28\frac{2}{8}  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

化簡 4A8C\frac{4A}{8C}  


 A2C\frac{A}{2C}  

 2A4C\frac{2A}{4C}  

 12\frac{1}{2}  

 AC\frac{A}{C}  

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

化簡 7q21y\frac{7q}{21y}  


 qy\frac{q}{y}  

 q3y\frac{q}{3y}  

 3qy\frac{3q}{y}  

 721y\frac{7}{21y}  

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