381 номер помогите срочно

Question

381 номер помогите срочно

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Answer 1

1) 20/31 = 40/62 = 80/124 = 180/279 = 200/310
2) 25/44 = 75/132 = 125/220 = 225/296 = 275/484

Answer 2

1)

20/31 = 40/62 = 80/124 = 180/279 = 200/310,

2)

25/44 = 75/132 = 125/220 = 225/396 = 275/484