Question

1] calcule o valor das expressoes numericas;
a] 23-[17-24/8]=
b]35/5+[2x[3-1]+7=
ç;[45-[5+10]/2=
d] 60-[40-4x[3x6/2-18/6=

Answer 1

a)23-(17-24/8)
  23-(17-3)
   23-14
     9
b) 35/5+[2x(3-1)+7]
    35/5+[2x2+7]
    35/5+[4+7]
    35/5+11
     7+11
       18

Answer 2

a)23-[17-24/8]
23- [17 - 3]
23 - 14
9

b) 35/5+[2 . [3-1] +7]
7+[2×2+7]
7+[4+7]
7+11
18

c)45-[5+10] /2
45- 5/2
90-15 /2
75/2

d)60-[40-4 . [3 . 6/2-18/6]
60-36 -[3.3 -3 ]
60-36. [ 9-3]
60-36 . 6
60 - 216
- 156