Номер 973,975 пожалуёста

Question

Номер 973,975 пожалуёста

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Answer 1

973.а) 135,153,351,315,513,531 ответ:6
б)135,531,351
975.а)135,153,351,315,513,531,137,157,175,173,357,317,517,537,735,753,751,715,713,731
б)135,517,375,753