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VALOR NUMÉRICO

Authored by Fanny Perez

Mathematics

7th Grade

Used 869+ times

VALOR NUMÉRICO
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si  m=2   y    n=3  

entonces el valor numérico de 
 2m+3n = ...2m+3n\ =\ ...   

10

12

13

55

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si   a=2a=-2   ,   b=3b=3   ,    c=4c=4  
entonces
 a3b+2ca-3b+2c   es ...

19

-3

1

-17

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si  a= 5a=-\ 5  

el valor numérico de

  82a = ...8-2a\ =\ ...   

18

-11

-1

-2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si  y = 3y\ =\ 3  

el valor numérico de
  5y2=          -\ 5y^2=\cdot\cdot\cdot\ \ \ \ \ \ \ \ \ \   

14

- 15

- 30

- 45

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si  a = 1  a\ =\ 1\ \    ,    b= 1 b=\ -1\   

entonces el valor numérico de
 14+3a4b  14+3a-4b\ \    es

21

13

7

-1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Encuentra el valor numérico de la expresión algebraica:
 4ab2a24ab-2a^2 
 si   a=3a=3  y   b=1b=1   

90

30

2

-6

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calcula el valor numérico de la expresión:  3p+4-3p+4  

cuando   p = 3p\ =\ -3  

13

5

-2

-5

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