Question

Resolve as expressões numéricas

a) 58 – 40 + 20

b) 81 – 7 x 11

c) 50 – ( 6 x 8 + 2 )

d) ( 18 – 15 : 3 + 5 ) x 2

POR FAVOR ME AJUDEM​

Answer 1

Resposta:

Explicação passo-a-passo:

a) 58 – 40 + 20

18+20

=38

b) 81 – 7 x 11

81-77

=4

c) 50 – ( 6 x 8 + 2 )

50- (48+2)

50- 50

=0

d) ( 18 – 15 : 3 + 5 ) x 2

(18-5+5)*2

(13+5)*2

18*2

=36

Espero ter ajudado!

Answer 2

a) 58 – 40 + 20

18+20

=38

b) 81 – 7 x 11

81-77

=4

c) 50 – ( 6 x 8 + 2 )

50- (48+2)

50- 50

=0

d) ( 18 – 15 : 3 + 5 ) x 2

(18-5+5)*2

(13+5)*2

18*2

=36