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Exemplos:
a) 13 + [ 33 - ( 11 + 3) + 3=
13 + 33 - 14 +3] =
13 +22
35
b)[(18 - 3 x 2) + 3-5 x 3] x-6 =
[(18-6):3-15]X-6
( 12:3-15]-6
(4-15] x-6
-11 x-6
66​