Question

52-{12+[15-(8-4)]}?Com cálculo.

Answer 1

    

52-{12+[15-(8-4)]}?Com cálculo.

52-{12+[15-4]}

52-{12+11}

52-{23}

52 - 23

29

Answer 2

52-{12+[15-(8-4)]}?
52-{12+[15-4]}=
52-{12+11}=
52-23=
   29                                 ok com os calculos então:

8-4=4
15-4=11
12+11=23
52-23=29
ok?