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160-4×[15+5×(265-4×65)]=

Răspuns :

160-4x[15+5x(265-4x65)]=
=160-4x[15+5x(265-260)]=
=160-4x(15+5x5)=
=160-4x(15+25)=
=160-4x40=
=160-160=0(rezultat amuzant)
Hahaha!