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27+[8+(6x2-12:4):9]-36=

Răspuns :

27+[8+(12-3):9]-36=27+(8+9:9)-36=27+(8+1)-36= =27+9-36=36-36=0
   27 +  [ 8+ ( 6 X 2 - 12 : 4 ) : 9 ] - 36 =
= 27 + [ 8 + 9 : 9 ] - 36
= 27 +  9 - 36 
= 0