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Suma y resta de fracciones algebraicas

Authored by Joel Nina

Mathematics

7th - 9th Grade

Used 117+ times

Suma y resta de fracciones algebraicas
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14 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 23x+34y+13x+14y\frac{2}{3}x+\frac{3}{4}y+\frac{1}{3}x+\frac{1}{4}y  

 x+12yx+\frac{1}{2}y  

 12x+y\frac{1}{2}x+y  

 xyx-y  

 x+yx+y  

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 35x+27y85x57y\frac{3}{5}x+\frac{2}{7}y-\frac{8}{5}x-\frac{5}{7}y  

 x+37yx+\frac{3}{7}y  

 x37y-x-\frac{3}{7}y  

 x+37y-x+\frac{3}{7}y  

 x37yx-\frac{3}{7}y  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 12x25y14x510y-\frac{1}{2}x-\frac{2}{5}y-\frac{1}{4}x-\frac{5}{10}y  

 34x910y-\frac{3}{4}x-\frac{9}{10}y  

 34x+910y-\frac{3}{4}x+\frac{9}{10}y  

 34x+910y\frac{3}{4}x+\frac{9}{10}y  

 34x910y\frac{3}{4}x-\frac{9}{10}y  

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 38x52y25x+19y\frac{3}{8}x-\frac{5}{2}y-\frac{2}{5}x+\frac{1}{9}y  

 140x+4318y\frac{1}{40}x+\frac{43}{18}y  

 140x4318y\frac{1}{40}x-\frac{43}{18}y  

 140x+4318y-\frac{1}{40}x+\frac{43}{18}y  

 140x4318y-\frac{1}{40}x-\frac{43}{18}y  

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 73x+23y15x+59y\frac{7}{3}x+\frac{2}{3}y-\frac{1}{5}x+\frac{5}{9}y  

 3215x+119y-\frac{32}{15}x+\frac{11}{9}y  

 3215x119y\frac{32}{15}x-\frac{11}{9}y  

 3215x+119y\frac{32}{15}x+\frac{11}{9}y  

 3215x119y-\frac{32}{15}x-\frac{11}{9}y  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

El m.c.m. de 2, 4, 8 y 16 es:

8

32

16

64

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

-9a-7a

16a

-15a

-16a

-14a

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