Question

Lista de exercícios

1) Resolva as seguintes expressões numéricas:

a) ( 2 + 16 ) : ( 20 – 11 ) =




b) 3 x (32 – 19 + 8) – 3 + (24 : 8) =




c) (15 + 11 x 4) + (14 – 64 : 8) : 2 =




d) (24 : 8) : 3 + 64 – 2 x (9 – 15 : 3) =




e) 2 + 80 + 8 – (2 x 4) + 6 3 =




f) 3x 10 + (26 8) + (5 + 2 x 2) =




g) 72 – (2 x 19 + 23 ) + 43 +(24 – 1) =

Answer 1

a) 18:9= 2

b)3x +21-3+3= 3x +18= x 18/3 = x=6

c) 59+6/2= 59+3 =62

d)3/3+64-2.

e) 2+80+8-8+63 =19

f)3x+10+34+9=3x + 53= 53/3= 17,3(ñ sei se tá certa )

g)72-44x+43+23= - 44x+72+43+23=138/-44 = -3,136

espero ter ajudado