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2017-{[42-(5 la a douax14-85x4)x2]x3+2 la a sasea}=?

Răspuns :

2017-{[42-(5²x14-85x4)x2]x3+2⁶}=
=
2017-{[42-(25x14-340)x2]x3+64}=
=2017-{[42-(350-340)x2]x3+64}=
=2017-[(42-10x2)x3+64]=
=2017-[(42-20)x3+64]=
=2017-(22x3+64)=
=2017-(66+64)=
=2017-130=1887