Решите пример:1)20:2.2/15+25.5/7:1.1/35
1)20 ÷ 2,2/15=20 ÷ 32/15=20 * 15/32=300/32 = 75/8=9 3/8 2)25, 5/7 ÷ 1,1/35=180/7 ÷ 36/35=180/7 * 35/36 = 25 3)9 3/8 + 25=34 3/8