СРАВНИТЕ ДРОБИ ПЖ1/7 и 1/5, 2/7 и 3/5, 1/7 и 12/84, 9/7 и 11/15, 4/21 и 9/28

Question

СРАВНИТЕ ДРОБИ ПЖ1/7 и 1/5, 2/7 и 3/5, 1/7 и 12/84, 9/7 и 11/15, 4/21 и 9/28

Answer 1

1/7<1\5 </p>

2\7<3\5 </p>

1\7=12\84

9\7>11\15

4\21<9\28</p>