Question

{[(8.4+3)÷7+(3+15÷5).3].2-(19-7)÷6}.2+12=
​

Answer 1

Explicação passo-a-passo:

{ [ (32+3)÷ 7 + (3 + 3) .3 ] .2 - (12)÷6} .2 +12=

{ [ 35÷7 + 6.3] .2 - 2 } .2 +12=

{ [ 5 + 18] .2 - 2} .2 +12=

{ 23.2 -2} .2 +12=

{ 46 -2} .2 +12=

44 .2 +12=

88 +12=

100