Răspuns :
a) = -1 - [ -3 ( - 35 + 42 + 27 ) : ( -18 + 35 ) ] : 5
= - 1 - ( -3 - ( 34 : 17 ) : 5
= -1 - ( - 3 - 2 ) : 5
= -1 - (-5) : 5
= -1 - (-1)
= -1 + 1
= 0
b) = -1 x [ ( -4 + 12 + ( - 10 ) : 2 ] - ( -3 )
= -1 x [ ( -4 + 12 + ( -5 ) ] - ( -3 )
= -1 x 3 + 3
= -3 + 3
= 0
c) = - { -48 : [ ( -36) : ( -3 ) ]} + 15 : ( -5 )
= - ( -48 : 12 ) + 3
= - ( -4 ) + 3
= 4 + 3
= 7
d) = - { 8 x [ ( -573 + 572 ) ] + 6 } + 4
= - { 8 x ( -1 ) + 6 ] + 4
= - ( -8 + 6 ) + 4
= - ( -2 ) + 4
= 2 + 4
= 6
e) = { 46 - [ 26 : 2 + ( 18 - 12 ) : ( 8 - 5 ) ] x 3 } x 5
= { 46 - ( 26 : 2 + 6 : 3 ) x 3 ] x 5
= [ 46 - ( 13 + 2 ) x 3 ] x 5
= ( 46 - 15 x 3 ) x 5
= ( 46 - 15 ) x 5
= ( 46 - 45 ) x 5
= 1 x 5
= 5
f) = [ ( - 45 - 45 + 90 ) : 1996 ] x 25
= ( 0 : 1996 ) x 25
= 0
g) = ( - 550 ) : 10 - 220 : 11 - ( 30 - 40 + 25 )
= ( - 55) - 220 : 11 - 15
= - 55 - 20 - 15
= - 90
= - 1 - ( -3 - ( 34 : 17 ) : 5
= -1 - ( - 3 - 2 ) : 5
= -1 - (-5) : 5
= -1 - (-1)
= -1 + 1
= 0
b) = -1 x [ ( -4 + 12 + ( - 10 ) : 2 ] - ( -3 )
= -1 x [ ( -4 + 12 + ( -5 ) ] - ( -3 )
= -1 x 3 + 3
= -3 + 3
= 0
c) = - { -48 : [ ( -36) : ( -3 ) ]} + 15 : ( -5 )
= - ( -48 : 12 ) + 3
= - ( -4 ) + 3
= 4 + 3
= 7
d) = - { 8 x [ ( -573 + 572 ) ] + 6 } + 4
= - { 8 x ( -1 ) + 6 ] + 4
= - ( -8 + 6 ) + 4
= - ( -2 ) + 4
= 2 + 4
= 6
e) = { 46 - [ 26 : 2 + ( 18 - 12 ) : ( 8 - 5 ) ] x 3 } x 5
= { 46 - ( 26 : 2 + 6 : 3 ) x 3 ] x 5
= [ 46 - ( 13 + 2 ) x 3 ] x 5
= ( 46 - 15 x 3 ) x 5
= ( 46 - 15 ) x 5
= ( 46 - 45 ) x 5
= 1 x 5
= 5
f) = [ ( - 45 - 45 + 90 ) : 1996 ] x 25
= ( 0 : 1996 ) x 25
= 0
g) = ( - 550 ) : 10 - 220 : 11 - ( 30 - 40 + 25 )
= ( - 55) - 220 : 11 - 15
= - 55 - 20 - 15
= - 90