Question

Resolva as expressôes: 21.3 + (5.7-12)

Answer 1

21*3 + (5*7 - 12) = 
63 + (35-12) = 
63 + 23 =
86

Answer 2

21.3 + (5.7-12)
63 + ( 35 - 12)
63  + 23
86

Resposta :86