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{10+[892-(79+21×104-4×178):(147-24×6)]:5-40}:9

Răspuns :

{10+[892-(79+2184-712):(147-144)]:5-40}:9=
{10+[892-1551:3]:5-40}:9=
{10+[892-517]:5-40}:9=
{10+375:5-40}:9=
{10+75-40}:9=
45:9=
5