Question

1.Resolva as expressões:

7- (3-1) =

(12-5) + 4 =

10-(7 + 1) =

11 + 3-(2 + 5) =

(20-1) + (13-3) =

(3+5) - (12 - 4) =

1 + [3+ (4-1)] =

3 - [5 - (3 + 2)2 =

7+ [12 + (3 + 10) - 20) =

5+ {10-[8 - (4 + 3)]} =

{4+[2-(3-2)]+7}=​

Answer 1

Resposta:

5; 11; 2; 29; 0; 7; 2; 12; 14; 12