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numeros racionales (adision y sustraccion)

Authored by Luis Álvarez

Mathematics

8th Grade

Used 48+ times

numeros racionales (adision y sustraccion)
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8 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Todos los números fraccionarios y decimales son:

Naturales

Irreales

Racionales

Ninguna de la anteriores

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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cual es el valor fraccionario de 0,125

25\frac{2}{5}

14\frac{1}{4}

18\frac{1}{8}

28\frac{2}{8}

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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cual sera el valor decimal de:

 94\frac{9}{4}  

2,52

2,25

2.24

2.54

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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Efectúa:   7634+112\frac{7}{6}-\frac{3}{4}+\frac{11}{2}  

 712\frac{7}{12}  

 7112\frac{71}{12}  

 7312\frac{73}{12}  

N.A.

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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cual es el resultado de:  76[3792]\frac{7}{6}-\left[\frac{3}{7}-\frac{9}{2}\right]  

 11042\frac{110}{42}  

 11021\frac{110}{21}  

 22021\frac{220}{21}  

Ninguno

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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cual es el resultado de:

 213+4533232\frac{1}{3}+4\frac{5}{3}-3\frac{2}{3}  

 113\frac{11}{3}  

 133\frac{13}{3}  

 73\frac{7}{3}  

 123\frac{12}{3}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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 1434+5474\frac{1}{4}-\frac{3}{4}+\frac{5}{4}-\frac{7}{4}  

cual es el resultado correcto:

 1-1  

 24-\frac{2}{4}  

 34-\frac{3}{4}  

 74-\frac{7}{4}  

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