a) ( 7 – 5 ) x ( 8 – 6 ) + 3
b) ( 8 : 2 ) x ( 3 : 3 ) + 2
c) ( 10 – 8 ) x ( 6 – 3 ) + 5 d) ( 9 – 4 ) : ( 2 + 3 ) + 5
e) [ ( 5 + 3 ) – 2 ] : 3 + 4 x 2 + 9 x 1
f) [ 18 : ( 7 + 2 ) + 21 : 3 ] – ( 3 x 2 – 4 ) g)[( 32 : 4 ) – ( 2 x 3 ) ] x ( 10 – 4 : 2 ) + 3
h) { 9 – [ ( 3 x 2 + 4 – 8 : 2 ) ] } + 10 x 3
i) [ ( 8 : 2 + 32 + 23 ) – 4 2 ] + 1
j) [ ( 6 – 4 )3 + ( 5 – 3 )2 ] – 1 x 2
k) √25 : 5 + 10
l) √36 x 2 +5
Respostas
Resposta:
A) ( 7 – 5 ) x ( 8 – 6 ) + 3 =
2 . 2 + 3 =
4 + 3 = 7
b) ( 8 : 2 ) x ( 3 : 3 ) + 2 =
4 . 1 + 2 =
4 + 2 = 6
c) ( 10 – 8 ) x ( 6 – 3 ) + 5 =
2 . 3 + 5 =
6 + 5 = 11
d) ( 9 – 4 ) : ( 2 + 3 ) + 5 =
5 : 5 + 5 =
1 + 5 = 6
e) [ ( 5 + 3 ) – 2 ] : 3 + 4 x 2 + 9 x 1 =
[ 8 -2 ] : 3 + 8 + 9 =
6 : 3 + 17 =
2 + 17 = 19
f) [ 18 : ( 7 + 2 ) + 21 : 3 ] – ( 3 x 2 – 4 ) =
[ 18 : 9 + 7 ] - ( 6 - 4 ) =
[ 2 + 7 ] - 2 =
9 - 2 = 7
g)[( 32 : 4 ) – ( 2 x 3 ) ] x ( 10 – 4 : 2 ) + 3 =
8 - 6 . (10 - 2) + 3 =
2 . 8 + 3 =
16 + 3 = 19
h) { 9 – [ ( 3 x 2 + 4 – 8 : 2 ) ] } + 10 x 3 =
{ 9 - [ 6 + 4 - 4 ] } + 30 =
{ 9 - 6 } + 30 =
3 + 30 = 33
i) [ ( 8 : 2 + 32 + 23 ) – 4 2 ] + 1 =
[ ( 4 + 32 + 12 ) - 42 ] + 1 =
[ 48 - 42 ] + 1 =
6 + 1 = 7
j) [ ( 6 – 4 )3 + ( 5 – 3 )2 ] – 1 x 2 =
[ 2³ + 2² ] - 2 =
8 + 4 -2 = 10
k) √25 : 5 + 10 =
5 : 5 + 10 =
1 + 10 = 11
l) √36 x 2 +5 =
6 x 2 + 5 =
12 + 5 = 17
Explicação passo-a-passo: