Question

Resolva as expressões numéricas:

A)5 + ( 3 - 1 ) =?
B)(13 - 4 ) - 8 =?
C)12 - ( 7 - 3 )=?
D)( 20 - 3 ) + ( 7 + 5 ) = ?
E)2 + [8 - ( 7 - 5) +3 ] =?
F)- 8 + [ 4 - ( 7 - 13) - 1] + 5 = ?
G)1 - ［ 5 + ( 1 - 9 )] =?
H)( -4) . ( - 5 ) . ( + 2 )=?
I)( +10 ) . ( -2 ) . ( + 1 ) . ( -3 ) . ( + 2 ) =?
J)20 : ( - 2 - 8 ) + 3 =?
K)［18 - ( 3 +10 : ( - 2 ) + 5) ]=?
L){ 4 - [ 2 .( 8 - 12) ] : 2 } =?
M){ 2 + [ 3 : ( 10 - 11 ) + 1 ] : 2 } =?
N)5 + ( 8 - 4 ) + ( 32 : 4 ) =?
O)9 + ( -3 + 3 +4) - 13 =?
P)( 45 : 9 ) + ( 5 . 10 ) +7 =?
Q){+ 5 + ［-3 ( + 5 -2 ) + 8]} =?
R)(+ 5) + ( 10 + 3 ) =?
S)( 18 : 3 + 5 ) - ( 15 : 5 + 10 )=?

Answer 1

a)7

b)25

c)22

d)30

bons estudos!