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1000-[(250:25+330:3)-(30×2-5×8)]×4

Răspuns :

REZOLVARE :


1000-[(250:25+330:3)-(30×2-5×8)]×4=
=1000-[(10+110)-(60-40)]×4=
=1000-120-20×4
=1000-120-80
=880-80
=800



SUCCES !