Решите 1 пример даю 20 балов
1)((2/5+5/12)*15/7-19/20)÷(41/2-333/50*5/9) (49/60*15/7-19/20)÷(41/2-37/10) (7/4-19/20)÷84/5 4/5*5/84 1/2 2)(11/24+13/26)*36/25-8/15*9/16 23/24*36/25-1/5*3/2 23/2*3/25-3/10 69/50-3/10 Ответ 27/25 3)