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1000-409x6:3+56:7x6 va mulțumesc anticipat

Răspuns :

1000-409x6:3+56:7x6=1000-2454 : 3+8×6=1000-818+48=182+48=230
1000-409•6:3+56:7•6
=1000-2454:3+8•6
=1000-818+48
=182+48
=230