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Examen de Bloque III 7MO

Authored by Angela Tambriz

Mathematics

7th Grade

Used 3+ times

Examen de Bloque III 7MO
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 27m4n615m3n6+3mn23mn2=?\frac{27m^4n^6-15m^3n^6+3mn^2}{3mn^2}=?  

 9m3n45m2n4+19m^3n^4-5m^2n^4+1  

 9m3n4+5m2n49m^3n^4+5m^2n^4  

 9m3n4+5m2n4+19m^3n^4+5m^2n^4+1  

Ninguna de las anteriores 

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (a)(3a)(a2)=\left(a\right)\left(-3a\right)\left(a^2\right)=  

 3a43a^4  

 3a4-3a^4  

 a4a^4  

Ninguna de las anteriores 

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 12a2 por 45a3b =?\frac{1}{2}a^2\ por\ \frac{4}{5}a^3b\ =?  

 25a5b\frac{2}{5}a^5b  

 410a5b\frac{4}{10}a^5b  

 57a5b\frac{5}{7}a^5b  

Ninguna de las anteriores 

4.

OPEN ENDED QUESTION

3 mins • Ungraded

Explique como se realiza una multiplicación de monomios.

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5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (a+3)(a1)=?\left(a+3\right)\left(a-1\right)=?  

 a2+2a3a^2+2a-3  

 a23a^2-3  

 a22a3a^2-2a-3  

Ninguna de las anteriores 

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 4a3b2÷2ab=?4a^3b^2\div-2ab=?  

 2a2b2a^2b  

 2ab-2ab  

 2-2  

Ninguna de las anteriores 

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 20mx2y3÷4xy3=?-20mx^2y^3\div4xy^3=?  

 5mx-5mx  

 5mx5mx  

 5mxy-5mxy  

Ninguna de las anteriores 

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