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cat face 3la putrea2-3 laputerea2:(2la puterea5-2la puterea4-2laputerea3-2la putera2-2la puterea1+2 laputera0)



Răspuns :

3^2-3^2:(2^5-2^4-2^3-2^2-2^1+2^0=
=9-9:(32-16-8-4-2+1)=
=9-9:3=
=9-3=
=6