Найдите значение выражения: 1)9$$\frac{1}{4}$$\cdot$$8-1$$\frac{2}{3}$$\cdot$$5$$\frac{1}{2}$$-2$$\frac{4}{5}$$\cdot$$2$$\frac{11}{12}$$; 2)1$$\frac{1}{22}$$\cdot$$3$$\frac{2}{3}$$-(2$$\frac{5}{6}$$+3$$\frac{5}{6}$$)$$\cdot$$\frac{7}{23}$$\cdot$$\frac{3}{5}$$.

1) 9$$\frac{1}{4}$$\cdot$$8-1$$\frac{2}{3}$$\cdot$$5$$\frac{1}{2}$$-2$$\frac{4}{5}$$\cdot$$2$$\frac{11}{12}$$ = $$\frac{37}{4}$$\cdot$$8 - $$\frac{5}{3}$$\cdot$$\frac{11}{2}$$ - $$\frac{14}{5}$$\cdot$$\frac{35}{12}$$ = $$\frac{37 \cdot 8}{4}$$ - $$\frac{5 \cdot 11}{3 \cdot 2}$$ - $$\frac{14 \cdot 35}{5 \cdot 12}$$ = 37$$\cdot$$2 - $$\frac{55}{6}$$ - $$\frac{7 \cdot 7}{6}$$ = 74 - $$\frac{55}{6}$$ - $$\frac{49}{6}$$ = 74 - $$\frac{55+49}{6}$$ = 74 - $$\frac{104}{6}$$ = 74 - 17$$\frac{2}{6}$$ = 74 - 17$$\frac{1}{3}$$ = 56$$\frac{3}{3}$$ - 17$$\frac{1}{3}$$ = 56 - 17 + $$\frac{3}{3}$$ - $$\frac{1}{3}$$ = 39 + $$\frac{2}{3}$$ = 39$$\frac{2}{3}$$

Ответ: 39$$\frac{2}{3}$$

2) 1$$\frac{1}{22}$$\cdot$$3$$\frac{2}{3}$$-(2$$\frac{5}{6}$$+3$$\frac{5}{6}$$)$$\cdot$$\frac{7}{23}$$\cdot$$\frac{3}{5}$$ = $$\frac{23}{22}$$\cdot$$\frac{11}{3}$$ - ($$\frac{17}{6}$$ + $$\frac{23}{6}$$)$$\cdot$$\frac{7}{23}$$\cdot$$\frac{3}{5}$$ = $$\frac{23 \cdot 11}{22 \cdot 3}$$ - $$\frac{17+23}{6}$$\cdot$$\frac{7}{23}$$\cdot$$\frac{3}{5}$$ = $$\frac{23}{2 \cdot 3}$$ - $$\frac{40}{6}$$\cdot$$\frac{7}{23}$$\cdot$$\frac{3}{5}$$ = $$\frac{23}{6}$$ - $$\frac{20}{3}$$\cdot$$\frac{7}{23}$$\cdot$$\frac{3}{5}$$ = $$\frac{23}{6}$$ - $$\frac{20 \cdot 7 \cdot 3}{3 \cdot 23 \cdot 5}$$ = $$\frac{23}{6}$$ - $$\frac{4 \cdot 7}{23}$$ = $$\frac{23}{6}$$ - $$\frac{28}{23}$$ = $$\frac{23 \cdot 23 - 28 \cdot 6}{6 \cdot 23}$$ = $$\frac{529 - 168}{138}$$ = $$\frac{361}{138}$$ = 2$$\frac{85}{138}

Ответ: 2$$\frac{85}{138}