7.计算题
(1)(-26.54)+(-6.4)-18.54+6.4
(2)|-6$\frac{3}{8}$+2$\frac{1}{2}$|+(-8$\frac{7}{8}$)+|-3-$\frac{1}{2}$|
(3)(-1$\frac{3}{4}$)-(+6$\frac{1}{3}$)-2.25+$\frac{10}{3}$
(4)(-$\frac{5}{12}$)+$\frac{1}{5}+\frac{1}{12}+(-\frac{13}{15}$)
(5)-$\frac{1}{12}$+(0.3×3$\frac{1}{3}$+$\frac{1}{3}$)×|-4|
(6)39$\frac{23}{24}$×(-12)
(7)(-30)×($\frac{1}{3}$-$\frac{5}{6}$-$\frac{3}{10}$)
(8)(-27$\frac{9}{11}$)×$\frac{1}{9}$-($\frac{1}{2}$+$\frac{2}{3}$-$\frac{3}{4}$-$\frac{11}{12}$)×(-24)
(9)-5×(-$\frac{11}{5}$)+13×(-$\frac{11}{5}$)-3×(-$\frac{11}{5}$).