计算:
(1)$(-9)-(-3\ \frac{2}{9})+(-1.7)+5.3$；
(2)$-2\ \frac{4}{5}-(-0.35)+\frac{2}{5}+0.15-(-2)$；
(3)$(-4\ \frac{7}{8})-(-5\ \frac{1}{2})+(-4\ \frac{1}{4})-(+3\ \frac{1}{8})$；
(4)$-1\ \frac{5}{6}-(-5\ \frac{2}{3})+24\ \frac{3}{4}+(-3\ \frac{1}{2})$；
(5)$1\ \frac{3}{4}+2\ \frac{3}{8}+(-1.75)-(-3\ \frac{5}{8})$；
(6)$\frac{5}{4}+[2\ \frac{1}{3}-(1\ \frac{3}{4}-1\ \frac{2}{3})]$；
(7)$(-39)+(-2\ \frac{2}{3})+[4.8-(-7.2)]$；
(8)$\frac{12}{13}-[\frac{1}{5}-(-3\ \frac{2}{5})+7.4]-(-\frac{1}{13})$。

(1) $-2\dfrac{8}{45}$
(2) $\dfrac{1}{10}$
(3) $-6\dfrac{3}{4}$
(4) $25\dfrac{1}{12}$
(5) 6
(6) $3\dfrac{1}{2}$
(7) $-29\dfrac{2}{3}$
(8) -10