Resposta:
a) (12 + [8 × (19 - 5) - 10])=
(12 + [8 × 14 - 10])=
(12 + 102)=
114
b) 6 (3+ [(93 - 22) + 2])=
6 (3+ [71 + 2])=
6 (3+ 73)=
6 (76)=
456
d) 50 - 4 (35 - 5 - 3)=
50 - 4 (27)=
50-108
-58
c) [49 - (6 x 6 - 15) + 7]=
[49 - (36 - 15) + 7]=
[49 - 21 + 7]=
35
g) 50+ 10+ [12 - (2 x 5-3)]=
50+ 10 + [12 - (10-3)]=
50+ 10 + [12 - 7]=
50+ 10 + 5=
65
e) 17+ [24 = (3 + 1) × 8] - 9=
17+ [24 + 4 × 8] - 9=
17+ [24 + 36] - 9=
17+ 60- 9=
68
