Question

Questão 34 Resolva a) ( + 3 ) + ( – 2 ) + ( – 5 ) b) ( – 2 ) – ( + 1 ) – ( + 5 ) c) ( + 5 ) – ( – 3 ) – ( – 1 ) d) ( + 4 ) + ( – 6 ) – ( + 7 ) – ( – 6 ) + ( + 7 ) e) ( – 3 ) – ( – 5 ) + ( – 6 ) + ( + 8 ) – ( – 4 )

Answer 1

Resposta:

-5, -8, +9, +4, +8

Explicação passo-a-passo:

a) +3-2-5= +3-7= -5

b) -2-1-5= -8

c) +5+3+1= +9

d) +4-6-7+6+7= Anula os opostos (-7 e +7, -6 e +6)= +4

e) -3+5-6+8+4= +17-9= +8