Question

me ajudem por favor ​

Answer 1

Resposta:

d) 18 +{24 +[28+12]} -12=
18 +{24 +40} -12=
18 + 64 - 12=
82 - 12=
70

e) 95 +{84 -(18-1) +6}=
95+ {84- 17+ 6}=
95+ {90- 17}=
95 + 73=
168

f)60+ 2.[6+ (10.3)]=
60+ 2. [6+ 30]=
60+ 2. 36=
60+ 72=
132