190+8×[7×6×(5+4×3) - 2]-10×10=

Răspuns :

190+8×[7×6×(5+4×3) - 2]-10×10=
=
90+8×[7×6×(5+12) - 2]=
=90+8×(42×17-2)=
=90+8×(714-2)=
=90+8×712=
=90+5696=
=5786
=190+8·[7·6·(5+12)-2]-10·10=
=190+8·(7·6·17-2)-10·10=
=190+8·(42·17-2)-10·10=
=190+8·(714-2)-10·10=
=190+8·712-10·10=
=190+5696-100=
=5886-100=
=5786