Question

resolva as expressões : 8.4=16
82-{20+[18-(4+1)]+1}
(14.2)-(3.6)+(40:10)
16+{6+[(8-5)-2]:6}

Answer 1

82-{20+[18-(4+1)]+1}
82-{20+[18-5]+1}
82-{20+13+1}
82-34
48

(14.2)-(3.6)+40:10)
28-18+4
10+4
14

16+{6+[(8-5)-2]:6}
16+{6+[3-2]:6}
16+{6+[3-2]:6}
16+{6+1:6}
16+{6:6+1}
16+{1+1}
16+2
18


espero ter ajudado