Răspuns :
981:3-[164+(248:8+4x39+117:9):10]=
=327-[164+(31+156+13):10]=
=327-(164+200:10)=
=327-(164+20)=327-184=143
=327-[164+(31+156+13):10]=
=327-(164+200:10)=
=327-(164+20)=327-184=143
981:3-[164+(248:8+4x39+117:9):10]=143
=327-[164+(31+156+13):10]
=327-(164+200:10)
=327-(164+20)
=327-184
=143
=327-[164+(31+156+13):10]
=327-(164+200:10)
=327-(164+20)
=327-184
=143