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2+{4*[6+(3*4-9)*2]-47}-3

Răspuns :

2+{4*[6+(3*4-9)*2]-47}-3=
=2+{4*[6+(12-9)*2]-47}-3=
=2+[4*(6+3*2)-47]-3=
=2+[4*(6+6)-47]-3=
=2+(4*12-47)-3=
=2+(48-47)-3=
=2+1-3=0