Question

1) Responda as operações
a) -33-44=
b) -33+44=
c) +33-44=
d) -10-7-5=
e) -10-8+3=
2) Responda as expressões numéricas
a) 120+ 50x3=
b) (120+50) x 3
c) 120:2 x 3
d) 44+13x3+55
e) 21x6+45​

Answer 1

Resposta:

1) a) -77

b) +11

c)-11

d)-22

e)-15

2)

a)270

b)510

c)180

d)138

e)171

Answer 2

Resposta:

Explicação passo-a-passo:

A)-77

B)11

C)77

D)-22

E)-15

2

A 270

B 510

C 180

D 138

E 171