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Calculează 401-603÷3+ (330÷3+2×(0÷99+2×40))÷9=

Răspuns :

401-603÷3+(330÷3+2×(0÷99+2×40))÷9
=401-201+(110+2×(0+80))÷9
=200+(110+160)÷9
=200+270÷9
=200+30
=230