сравните дроби 1/2 и 2/4, 3/8 и 5/16, 3/10 и 1/5, 7/12 и 15/24, 1/3 и 4/9, 5/18 и 1/6, 4/15 и 2/5, 3/4 и 11/12, 2/6 и 5/21, 5/21 и 3/14, 7/15 и 8/9, 5/7 и 3/4

1/2=2/4; 3/8<5/16; 3/10>1/5; 7/12<15/24; 1/3<4/9; 5/18>1/6; 4/15<2/5; 3/4<11/12; 2/6>5/21; 5/21>3/14; 7/15<8/9; 5/7<3/4.