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代數分式 2

Authored by 朱 永軒

Mathematics

8th Grade

Used 8+ times

代數分式 2
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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

化簡 64v(2x−7)32v2(2x – 7)\frac{64v\left(2x-7\right)}{32v^2\left(2x\ –\ 7\right)}  


 12x−7\frac{1}{2x-7}  

 22x−7\frac{2}{2x-7}  

 2v2v  

 2v\frac{2}{v}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

化簡 (z+3)(z−3)(z+3)(z+3)\frac{\left(z+3\right)\left(z-3\right)}{\left(z+3\right)\left(z+3\right)}  


 z−3z+3\frac{z-3}{z+3}  

 1z+3\frac{1}{z+3}  

 z−3z-3  

 11  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

化簡 x2−49(x+2)\frac{x^2-4}{9\left(x+2\right)}  


 x−2x+2\frac{x-2}{x+2}  

 19\frac{1}{9}  

 x−29\frac{x-2}{9}  

 x−2x-2  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

化簡 9p+36ap+2a\frac{9p+3}{6ap+2a}  


 2a3\frac{2a}{3}  

 3(p+1)p+3\frac{3\left(p+1\right)}{p+3}  

 3(3p+1)2a(3p+1)\frac{3\left(3p+1\right)}{2a\left(3p+1\right)}  

 32a\frac{3}{2a}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 20m6n215m2n\frac{20m^6n^2}{15m^2n^{ }}  

A.  4m3n3\frac{4m^3n}{3}  

B.  4m4n3\frac{4m^4n}{3}  

C.  4n3m4\frac{4n}{3m^4}  

D.  4m3\frac{4m}{3}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 8xy16xy2\frac{8xy}{16xy^2}  

A.  x2\frac{x}{2}  

B.  xy2\frac{xy}{2}  

C.  xy\frac{x}{y}  

D.  12y\frac{1}{2y}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2h−6k2k\frac{2h-6k}{2k}  

A.  h+3kh\frac{h+3k}{h}  

B.  h+3kk\frac{h+3k}{k}   

C.  h−3kk\frac{h-3k}{k}  

D.  h−3kh\frac{h-3k}{h}  

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