Question

1)Calcule o valor de:

a)+50-100+20 b)-12+18-19

2)Calcule o valor de:

a)-50-10-20-30-70-200

Answer 1

Resposta:

1) a) -30

b) -13

2) a) -380

Explicação passo a passo:

Answer 2

Resposta:

a) +50-100+20= +50+20 -100= +70-100= -30

b) -12+18-19= -12-19 +18= -31+18= -13

2. -50-10-20-30-70-200= -380