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计算下面各题。
$(\frac{3}{4}-\frac{2}{3})\times12\div0.1$ $0.8+\frac{4}{5}\div\frac{2}{3}\times\frac{5}{9}$ $\frac{8}{9}\div(\frac{5}{6}-0.75)$
$(\frac{7}{9}+\frac{1}{3})\div\frac{8}{15}\times\frac{3}{10}$ $\frac{4}{7}\times[\frac{1}{2}-(\frac{5}{8}-\frac{1}{4})]$ $(\frac{5}{6}-\frac{5}{8}\times\frac{2}{15})\div25\%$
$(\frac{4}{5}+\frac{1}{4})\div\frac{7}{3}+0.6$ $(1.5-\frac{3}{5})\times(2 - 1.4)$ $(\frac{5}{18}\div0.5+\frac{1}{9})\times25\%$
$(0.6-\frac{2}{15})\div(\frac{1}{12}+\frac{5}{6})$ $(\frac{4}{5}-0.7)\times(0.5+\frac{1}{4})$ $\frac{3}{5}\div60\%+12.5\%\times\frac{4}{5}$
$(\frac{3}{4}-\frac{2}{3})\times12\div0.1$ $0.8+\frac{4}{5}\div\frac{2}{3}\times\frac{5}{9}$ $\frac{8}{9}\div(\frac{5}{6}-0.75)$
$(\frac{7}{9}+\frac{1}{3})\div\frac{8}{15}\times\frac{3}{10}$ $\frac{4}{7}\times[\frac{1}{2}-(\frac{5}{8}-\frac{1}{4})]$ $(\frac{5}{6}-\frac{5}{8}\times\frac{2}{15})\div25\%$
$(\frac{4}{5}+\frac{1}{4})\div\frac{7}{3}+0.6$ $(1.5-\frac{3}{5})\times(2 - 1.4)$ $(\frac{5}{18}\div0.5+\frac{1}{9})\times25\%$
$(0.6-\frac{2}{15})\div(\frac{1}{12}+\frac{5}{6})$ $(\frac{4}{5}-0.7)\times(0.5+\frac{1}{4})$ $\frac{3}{5}\div60\%+12.5\%\times\frac{4}{5}$
答案：
($\frac{3}{4}$ - $\frac{2}{3}$)×12÷0.1
=$\frac{3}{4}$×12×10 - $\frac{2}{3}$×12×10
=90 - 80
=10
0.8 + $\frac{4}{5}$÷$\frac{2}{3}$×$\frac{5}{9}$
=0.8 + $\frac{4}{5}$×$\frac{3}{2}$×$\frac{5}{9}$
=0.8 + $\frac{2}{3}$
=$\frac{22}{15}$
$\frac{8}{9}$÷($\frac{5}{6}$ - 0.75)
=$\frac{8}{9}$÷($\frac{5}{6}$ - $\frac{3}{4}$)
=$\frac{8}{9}$÷$\frac{1}{12}$
=$\frac{8}{9}$×12
=$\frac{32}{3}$
($\frac{7}{9}$ + $\frac{1}{3}$)÷$\frac{8}{15}$×$\frac{3}{10}$
=$\frac{10}{9}$×$\frac{15}{8}$×$\frac{3}{10}$
=$\frac{5}{8}$
$\frac{4}{7}$×[$\frac{1}{2}$ - ($\frac{5}{8}$ - $\frac{1}{4}$)]
=$\frac{4}{7}$×[$\frac{1}{2}$ - $\frac{3}{8}$]
=$\frac{4}{7}$×$\frac{1}{8}$
=$\frac{1}{14}$
($\frac{5}{6}$ - $\frac{5}{8}$×$\frac{2}{15}$)÷25%
=($\frac{5}{6}$ - $\frac{1}{12}$)×4
=$\frac{3}{4}$×4
=3
($\frac{4}{5}$ + $\frac{1}{4}$)÷$\frac{7}{3}$ + 0.6
=$\frac{21}{20}$×$\frac{3}{7}$ + 0.6
=$\frac{9}{20}$ + $\frac{3}{5}$
=$\frac{21}{20}$
(1.5 - $\frac{3}{5}$)×(2 - 1.4)
=0.9×0.6
=0.54
($\frac{5}{18}$÷0.5 + $\frac{1}{9}$)×25%
=($\frac{5}{18}$×2 + $\frac{1}{9}$)×$\frac{1}{4}$
=$\frac{2}{3}$×$\frac{1}{4}$
=$\frac{1}{6}$
(0.6 - $\frac{2}{15}$)÷($\frac{1}{12}$ + $\frac{5}{6}$)
=($\frac{3}{5}$ - $\frac{2}{15}$)÷$\frac{11}{12}$
=$\frac{7}{15}$×$\frac{12}{11}$
=$\frac{28}{55}$
($\frac{4}{5}$ - 0.7)×(0.5 + $\frac{1}{4}$)
=0.1×0.75
=0.075
$\frac{3}{5}$÷60% + 12.5%×$\frac{4}{5}$
=$\frac{3}{5}$×$\frac{5}{3}$ + $\frac{1}{8}$×$\frac{4}{5}$
=1 + $\frac{1}{10}$
=1.1
=$\frac{3}{4}$×12×10 - $\frac{2}{3}$×12×10
=90 - 80
=10
0.8 + $\frac{4}{5}$÷$\frac{2}{3}$×$\frac{5}{9}$
=0.8 + $\frac{4}{5}$×$\frac{3}{2}$×$\frac{5}{9}$
=0.8 + $\frac{2}{3}$
=$\frac{22}{15}$
$\frac{8}{9}$÷($\frac{5}{6}$ - 0.75)
=$\frac{8}{9}$÷($\frac{5}{6}$ - $\frac{3}{4}$)
=$\frac{8}{9}$÷$\frac{1}{12}$
=$\frac{8}{9}$×12
=$\frac{32}{3}$
($\frac{7}{9}$ + $\frac{1}{3}$)÷$\frac{8}{15}$×$\frac{3}{10}$
=$\frac{10}{9}$×$\frac{15}{8}$×$\frac{3}{10}$
=$\frac{5}{8}$
$\frac{4}{7}$×[$\frac{1}{2}$ - ($\frac{5}{8}$ - $\frac{1}{4}$)]
=$\frac{4}{7}$×[$\frac{1}{2}$ - $\frac{3}{8}$]
=$\frac{4}{7}$×$\frac{1}{8}$
=$\frac{1}{14}$
($\frac{5}{6}$ - $\frac{5}{8}$×$\frac{2}{15}$)÷25%
=($\frac{5}{6}$ - $\frac{1}{12}$)×4
=$\frac{3}{4}$×4
=3
($\frac{4}{5}$ + $\frac{1}{4}$)÷$\frac{7}{3}$ + 0.6
=$\frac{21}{20}$×$\frac{3}{7}$ + 0.6
=$\frac{9}{20}$ + $\frac{3}{5}$
=$\frac{21}{20}$
(1.5 - $\frac{3}{5}$)×(2 - 1.4)
=0.9×0.6
=0.54
($\frac{5}{18}$÷0.5 + $\frac{1}{9}$)×25%
=($\frac{5}{18}$×2 + $\frac{1}{9}$)×$\frac{1}{4}$
=$\frac{2}{3}$×$\frac{1}{4}$
=$\frac{1}{6}$
(0.6 - $\frac{2}{15}$)÷($\frac{1}{12}$ + $\frac{5}{6}$)
=($\frac{3}{5}$ - $\frac{2}{15}$)÷$\frac{11}{12}$
=$\frac{7}{15}$×$\frac{12}{11}$
=$\frac{28}{55}$
($\frac{4}{5}$ - 0.7)×(0.5 + $\frac{1}{4}$)
=0.1×0.75
=0.075
$\frac{3}{5}$÷60% + 12.5%×$\frac{4}{5}$
=$\frac{3}{5}$×$\frac{5}{3}$ + $\frac{1}{8}$×$\frac{4}{5}$
=1 + $\frac{1}{10}$
=1.1
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