93/25и52/12, 71/30и 41/25, 51/25и93/20
1)93:25≥ 52:12 93:25=3.72 52:12=4.3 2)71:30≥ 41:25 71:30=2.3 41:25=1.64 3)51:25≤ 93:20 51:25=2.04 93:20=4.65