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{100+100:2-{(39:3+7)+(77:7-6)]x2}x9-273PLZ

Răspuns :

(100+50-(13+7)+(11-6)×2)×9-273

(150-20)+5)×2)×9-273

(130+5)×2)×9-273

(135×2)×9-273

270×9-273

2430-273=2157