Autor: João Lopes Pontes | Publicado: 2012-05-15T13:15:00-07:00

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Escola____________________________Aluno_________________________

Exercícios
avaliativos

ADIÇÃO E SUBTRAÇÃO 

a)&nbsp;&nbsp;&nbsp; (-
7abc) + (-ab)= 

b)&nbsp;&nbsp;&nbsp; &nbsp;( + 7x) + ( -
3x )= 

c)&nbsp;&nbsp;&nbsp; &nbsp;( - 8x) + (+
11x)= 

d)&nbsp;&nbsp;&nbsp; &nbsp;(+ x ) + (- x
)= 

e)&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;( - 2y) + ( -
3y )= 

f)&nbsp;&nbsp;&nbsp;&nbsp; (+ x
y) + (- x y)= 

g)&nbsp;&nbsp;&nbsp; (-
2m) + ( - m )= 

h)&nbsp;&nbsp; &nbsp;( -&nbsp; x)
+ (+&nbsp; x)= 

i)&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;(-&nbsp; a y)
+ (+ a y)= 

j)&nbsp;&nbsp;&nbsp;&nbsp; ( +
8x) - ( - 3x)= 

k)&nbsp;&nbsp;&nbsp; &nbsp;(+8x y) + (-16x )= 

l)&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;( - 6y) - ( - y )= 

m)&nbsp; ( -
5x)&nbsp; + ( - 11x)= 



MULTIPLICAÇÃO 

a) (+5x) . (- 4x )= 

b) (-2x) . (+ 3x)= 

c) ( - a) . (+ 6a)= 

d) (+4x ) . (+5x )= 

e) (+2a) . (- 7b)= 

f)&nbsp; ( - 2x) . ( -
3y)= 

g) (3x) . (5y )= 

h) (3ab) . (2a)= 

i)&nbsp; (+4ax) . (3x)= 

j)&nbsp; ( 5y) . (6xy)= 



DIVISÃO 

a) (15x5 ) : (3x )= 

b) (16ª4 ) : (8a)= 

c) (- 30x2 ) : (+3x )= 

d) (+8x3 ) : (-2x )=