Question

a) [-( 9-7)+12 ]=
b) {3 -[-7 +(6-4+10) ] } =
c) [ 12-{-17 + (32-74+33} -15] +43 =
d) -[ 32+{-17 - (37-54+13} +81] -67 = e) -76 +{43 -[-17 +(36-42+10)-5 ]9 } =

Answer 1

Respuesta:

[-( 9-7)+12 ]= +14

b) {3 -[-7 +(6-4+10) ] } =16-

d) -[ 32+{-17 - (37-54+13} +81] -67 = 64+

e) -76 +{43 -[-17 +(36-42+10)-5 ]9 } =+50

Explicación paso a paso: