Найдите значение выражения: 1) (5 1/7 * 3/5 : 3 3/5) / (12 1/4 : 1 3/4); 2) (2 2/7 * 2,4 * 1 5/9 * 1 9/16) / (3 1/3 *

1) (5 1/7 * 3/5 : 3 3/5) / (12 1/4 : 1 3/4)= (36/7 * 3/5 * 5/18) / (49/4 * 4/7)=(6/7 * 1/1 * 1/1) / (7/1 * 1/1)=6/7 : 7=6/7 * 1/7=6/492) (2 2/7 * 2,4 * 1 5/9 * 1 9/16) / (3 1/3 * 1,125 * 1 5/7 * 1 7/9)=(16/7 * 12/5 *14/9 * 25/16) / (10/3 * 9/8 * 12/7 * 16/9)=(1/1 * 4/1 *2/3 * 5/1) :(10/1 * 1/1 * 4/7 * 2/1)=40/3 : 80/7=40/3 * 7/80=1/3 * 7/2=7/6=1 1/6