Question

g) 50 - [37 - ( 15 - 8)]=
h) 28 + [50 - (24-2) -10 1 =
i)20+ [13+ (10 - 6) + 4) =
j)52 - {12 + [ 15 -(8-4)]} =
k)25 +{ 12 + [2-(8-6) + 2 }} =
D) {[( 18 - 3) + (7 + 5) - 2] + 5 } - 12 =
​

Answer 1

Explicação passo-a-passo:

g) 50 - [37 - ( 15 - 8)]=

50- [37 - 7]

50- 30

20

h) 28 + [50 - (24-2) -10] =

28+ [ 50- 22- 10 ]

28+ 18

46

i)20+ [13+ (10 - 6) + 4) =

20+ [ 13+ 4+ 4]

20+ 21

41

j)52 - {12 + [ 15 -(8-4)]} =

52- {12+ [15 - 4]}

52- {12+ 11}

52- 23

28

k)25 +{ 12 + [2-(8-6) + 2 }} =

25+ { 12+ [ 2- 2+2]}

25+ { 12+ 2}

25+ 14

39

D) {[( 18 - 3) + (7 + 5) - 2] + 5 } - 12 =

{[15+ 12- 2] + 5} -12

{25+ 5} - 12

30-12

18