2.下列各题怎样算简便就怎样算
0 158833 158841 158847 158851 158857 158859 158863 158869 158871 158877 158883 158887 158889 158893 158899 158901 158907 158911 158913 158917 158919 158923 158925 158927 158928 158929 158931 158932 158933 158935 158937 158941 158943 158947 158949 158953 158959 158961 158967 158971 158973 158977 158983 158989 158991 158997 159001 159003 159009 159013 159019 159027 199269
$\frac{2}{19}$×$\frac{8}{25}$+$\frac{17}{25}$÷$\frac{19}{2}$ | $\frac{1}{4}$×125×$\frac{1}{25}$×8 | ($\frac{7}{5}$+$\frac{2}{5}$)×$\frac{4}{9}$-$\frac{1}{4}$ |
($\frac{1}{3}$+$\frac{1}{4}$)÷($\frac{1}{2}$-$\frac{1}{3}$) | $\frac{19}{15}$-(65%+$\frac{4}{15}$) | 24×[$\frac{2}{3}$÷(1-$\frac{14}{15}$)] |
($\frac{2}{5}$-$\frac{2}{5}$÷2)×$\frac{5}{6}$ | 75%×[(100%-$\frac{2}{5}$)×25%] |