Question

resolva a seguinte expressão {[(8x4+3)÷7+(3+15÷5)x3]x2-(19-7)÷6}x2+12=

Answer 1

32+3 :7+(3+15:5)x3]x2-(19_7):6}x2+12=
35:7+(3+15:5)x3]x2-(19-7):6}x2+12
5+3,6 x3] x2-(19-7) :6}x2+12
8,6x3]x2 -( 19-7) :6}x2 +12
25,8 x2 - (19-7) :6} x2 +12
51,6 - (19-7) :6} x2 +12
51,6-12 :6}x2 +12
39,6 :6 x2+12
6,6 x2 +12
13,2 +12
= 25,2