Найдите значение выражения: 1) (2 13/48 - (-2 5/12)) : (-3 3/4) + 9 3/4 : (-13); 2) (1 2/3 - 3,6) : (-2 7/9 + 4 1/15) * (-2,6).

1) (2 13/48 - (-2 5/12)) : (-3 3/4) + 9 3/4 : (-13) = (2 13/48 + 2 5/12)) * (-4/15) - 39/4 * 1/13=

(4 + (13+20) / 48) * (-4/15) - 3/4 = (4 + 11/16) * (-4/15) - 3/4=75/16 * (-4/15) - 3/4=-5/4-3/4=

-8/4=-2;

2) (1 2/3 - 3,6) : (-2 7/9 + 4 1/15) * (-2,6) = (1 2/3 - 3 3/5) : (2 1/15 - 7/9) * (-13/5) =

(-2 + (10-9) / 15) : (2 + (3-35) / 45) * (-13/5) = (-2 + 1/15) : (2 - 32/45) * (-13/5) =

-1 14/15 : 1 13/45 * (-13/5) = 29/15 * 45/58 * 13/5=1/1 * 3/2 * 13/5=39/10=3,9.