Помогите пожалуйста номер 80.1,80.2,и80,3
80.1 2 mine 3ours 4hers 5theirs 6yours 7mine 8his 80.2 2yours 3my///mine 4yours///mine 5her 6my///hers 7their 8ours 80.3 3of hers 4friends of theirs 5friend of mine 6friend of his 7friends of mine