Помогите номер 660. 662

Question

Помогите номер 660. 662

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Answer 1

660
540/800=54/80=27/40
40/118=20/59
136/204=34/51=2/3
472/888=59/111

662
2/7=6/21
12/19=48/76
17/54=34/108
45/80=9/16
30/42=5/7
39/180=13/60