Question

calcule o valor das expressoes
27-(18+15) =
-11 + (18+15) =
25 - (18-5-7) =
36 - (4 + 12) - 20 =
(20 + 12) - (11 + 17) =
16-(9-5)+6 =
30-(-12-13-11)+(-16-14+12) =​

Answer 1

Explicação passo-a-passo:

a) 27-(18+15)

27- 33

-6

b) -11 + 33

22

c) 25 - (18-5-7)

25 - (13-7)

25 - 6

19

d) 36- (4 + 12) -20

36 - 16 - 20

36 - 36

0

e) (20 + 12) - (11 + 17)

32- 28

4

f) 16- (9-5) + 6

16- 4 + 6

12 + 6

18