Question

resolva as expressões:

A) (9-4+2) -1 + (9+5-3)
B) 15 (3-2) + (7-4)​

Answer 1

Resposta:

A)17

B)20

Explicação passo a passo:

A (9-4+2)-1+(9=5-3)

7-1+11

6+11=

+17

B) 15-(3-2)+(7-4)

15-(+1)+(+3)

15-1+3

15+3-1

18+2=

+20