Question

Calcule o valor das expressões

1) -4+[-3+(-5+9-2)]
2) -6-[10+(-8-3)-1]
3) -8-[-2-(-12)+3]
4) 25-{-2+[6+(-4-1)]}
5) 17-{5-3+[8-(-1-3)+53}

Me ajudeeeem por favor

Answer 1

1) -4+[-3+(-5+9-2)]=
-4+[-3+(4-2)]=
-4+[-3+2]=
4-1=
3
2) -6-[10+(-8-3)-1]
-6-[10-11-1]
-6-[10-12]
-6-[-2]
-6+2
-4
3) -8-[-2-(-12)+3]
-8-[-2+12+3]
-8-[-2+15]
-8-13
-21
4) 25-{-2+[6+(-4-1)]}
25-{-2+[6-5]}
25-{-2+1}
25-{-1}
25+1
26
5) 17-{5-3+[8-(-1-3)+53}
17-{5-3+[8-(-4)+53}
17-{5-3+[8+4+53}
17-{5-3+[12+53}
17-{5-3+65}
17-{2+65}
17-{67}
17-67
-50

Espero ter ajudado!!