9/30 и 20/30
36/45 и 20/45
7/14 и 2/14
55/88 и 56/88
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Answers & Comments
4/5=36/45 и 4/9=20/45
1/2=7/14 и 1/7=2/14
5/8=55/88 и 7/11=56/88
9/30 и 20/30
36/45 и 20/45
7/14 и 2/14
55/88 и 56/88