一、口算。（每题1分，共24分）
$\frac{14}{15}×\frac{1}{4}=$
$\frac{4}{9}×\frac{2}{3}=$
$10-\frac{4}{5}-\frac{1}{5}=$
$\frac{6}{11}÷\frac{2}{3}=$
$\frac{4}{5}+\frac{1}{15}=$
$\frac{3}{5}×4÷\frac{3}{5}=$
$\frac{9}{8}-\frac{1}{4}=$
$\frac{7}{8}÷\frac{5}{12}=$
$\frac{2}{3}÷8×\frac{4}{5}=$
$35÷\frac{7}{8}=$
$\frac{5}{2}×\frac{3}{10}=$
$(\frac{3}{10}-\frac{2}{15})×30=$
$\frac{4}{5}÷\frac{4}{3}=$
$\frac{1}{4}÷\frac{2}{3}=$
$\frac{3}{4}×\frac{2}{3}÷\frac{1}{2}=$
$\frac{3}{4}×\frac{12}{5}=$
$\frac{3}{8}×\frac{8}{9}=$
$\frac{1}{2}×\frac{1}{4}×6=$
$\frac{3}{4}+\frac{5}{6}=$
$\frac{9}{10}÷\frac{1}{5}=$
$\frac{5}{6}×(18+\frac{6}{25})=$
$\frac{9}{14}-\frac{3}{8}=$
$\frac{26}{81}×\frac{9}{13}=$
$(\frac{1}{8}+\frac{7}{9})×36=$

1.$\frac{7}{30}$ 2.$\frac{8}{27}$ 3.9 4.$\frac{9}{11}$ 5.$\frac{13}{15}$ 6.4 7.$\frac{7}{8}$ 8.$\frac{21}{10}$ 9.$\frac{1}{15}$ 10.40 11.$\frac{3}{4}$ 12.5 13.$\frac{3}{5}$ 14.$\frac{3}{8}$ 15.1 16.$\frac{9}{5}$ 17.$\frac{1}{3}$ 18.$\frac{3}{4}$ 19.$\frac{19}{12}$ 20.$\frac{9}{2}$ 21.$\frac{76}{5}$ 22.$\frac{15}{56}$ 23.$\frac{2}{9}$ 24.$32\frac{1}{2}$

二、在$◯$里填上“＞”“＜”或“=”。（每题1分，共12分）
$\frac{4}{5} ÷ \frac{5}{4} ◯ \frac{4}{5}$
$\frac{7}{8} ÷ \frac{4}{5} ◯ \frac{7}{8}$
$\frac{6}{7} ÷ \frac{10}{9} ◯ \frac{6}{7}$
$\frac{10}{11} ÷ \frac{10}{11} ◯ \frac{10}{11}$
$\frac{5}{9} ÷ \frac{5}{8} ◯ \frac{5}{9}$
$\frac{7}{4} ÷ \frac{3}{2} ◯ \frac{7}{4}$
$\frac{3}{7} ÷ \frac{1}{9} ◯ \frac{3}{7} × 9$
$\frac{1}{40} ÷ \frac{1}{50} ◯ \frac{1}{4} ÷ \frac{1}{5}$
$\frac{3}{11} ÷ 3 ◯ \frac{3}{11} ÷ \frac{1}{3}$
$\frac{1}{5} ÷ \frac{1}{6} ◯ \frac{1}{6} ÷ \frac{1}{7}$
$\frac{8}{9} × \frac{8}{9} ◯ \frac{8}{9} ÷ \frac{8}{9}$
$\frac{11}{10} ÷ \frac{12}{11} ◯ \frac{11}{10} × \frac{12}{11}$

1.＜ 2.＞ 3.＜ 4.＞ 5.＞ 6.＜ 7.= 8.= 9.＜ 10.＞ 11.＜ 12.＜