Question

3- Resolva as expressões abaixo:


7 – (3 - 1)=


( 12 – 5) + 4=


10 – (7+1)=


11 + 3 – (2+5)=


(20 – 1) + ( 13 – 3 )=


(6 + 3) – ( 5 +3)= 
​

Answer 1

Resposta:

7 – (3 - 1)= 5

( 12 – 5) + 4= 11

10 – (7+1)= 2

11 + 3 – (2+5)= 7

(20 – 1) + ( 13 – 3 )= 29

(6 + 3) – ( 5 +3)= 1