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eeeeeeeeeeeeeeeeee urgeeeeeeeeeeeeennnnnnntttttttttttttttttttttt!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! intr o cutie  erau 20 pungi cu caramele. unele pungi aveau 9 altele 11 caramele, toate pungiile insumand190 caramele. cate pungi erau cu 9 si 11 caramele?