1. 直接写出得数。
$\frac{4}{9}÷\frac{8}{27}=$
$\frac{7}{9}÷\frac{7}{6}=$
$\frac{1}{24}÷\frac{7}{12}=$
$\frac{7}{5}÷\frac{5}{6}=$
$\frac{14}{11}÷\frac{3}{2}=$
$\frac{6}{7}÷\frac{13}{21}=$
$\frac{2}{9}÷\frac{1}{6}=$
$\frac{10}{9}÷\frac{1}{10}=$
$\frac{1}{12}÷\frac{5}{6}=$
$\frac{1}{9}÷\frac{1}{6}=$
$\frac{5}{9}÷\frac{5}{18}=$
$\frac{1}{12}÷\frac{5}{12}=$
$\frac{1}{8}÷\frac{2}{7}=$
$\frac{3}{2}÷\frac{5}{4}=$
$\frac{4}{13}÷\frac{5}{26}=$
$4÷\frac{8}{15}=$
$7÷\frac{3}{8}=$
$8÷\frac{13}{25}=$

$\frac{4}{9}÷\frac{8}{27}=\frac{4}{9}×\frac{27}{8}=\frac{3}{2}$
$\frac{7}{9}÷\frac{7}{6}=\frac{7}{9}×\frac{6}{7}=\frac{2}{3}$
$\frac{1}{24}÷\frac{7}{12}=\frac{1}{24}×\frac{12}{7}=\frac{1}{14}$
$\frac{7}{5}÷\frac{5}{6}=\frac{7}{5}×\frac{6}{5}=\frac{42}{25}$
$\frac{14}{11}÷\frac{3}{2}=\frac{14}{11}×\frac{2}{3}=\frac{28}{33}$
$\frac{6}{7}÷\frac{13}{21}=\frac{6}{7}×\frac{21}{13}=\frac{18}{13}$
$\frac{2}{9}÷\frac{1}{6}=\frac{2}{9}×\frac{6}{1}=\frac{4}{3}$
$\frac{10}{9}÷\frac{1}{10}=\frac{10}{9}×10=\frac{100}{9}$
$\frac{1}{12}÷\frac{5}{6}=\frac{1}{12}×\frac{6}{5}=\frac{1}{10}$
$\frac{1}{9}÷\frac{1}{6}=\frac{1}{9}×\frac{6}{1}=\frac{2}{3}$
$\frac{5}{9}÷\frac{5}{18}=\frac{5}{9}×\frac{18}{5}=2$
$\frac{1}{12}÷\frac{5}{12}=\frac{1}{12}×\frac{12}{5}=\frac{1}{5}$
$\frac{1}{8}÷\frac{2}{7}=\frac{1}{8}×\frac{7}{2}=\frac{7}{16}$
$\frac{3}{2}÷\frac{5}{4}=\frac{3}{2}×\frac{4}{5}=\frac{6}{5}$
$\frac{4}{13}÷\frac{5}{26}=\frac{4}{13}×\frac{26}{5}=\frac{8}{5}$
$4÷\frac{8}{15}=4×\frac{15}{8}=\frac{15}{2}$
$7÷\frac{3}{8}=7×\frac{8}{3}=\frac{56}{3}$
$8÷\frac{13}{25}=8×\frac{25}{13}=\frac{200}{13}$

2. 在〇里填上“＞”“＜”或“=”。
$\frac{2}{9}÷\frac{15}{2}〇\frac{2}{9}$
$\frac{2}{11}÷\frac{1}{3}〇\frac{2}{11}$
$\frac{15}{16}÷4〇\frac{15}{16}$
$\frac{14}{15}÷1〇\frac{14}{15}$
$3÷\frac{1}{3}〇3$
$24÷\frac{4}{5}〇24$

$\frac{2}{9}÷\frac{15}{2}＜\frac{2}{9}$
$\frac{2}{11}÷\frac{1}{3}＞\frac{2}{11}$
$\frac{15}{16}÷4＜\frac{15}{16}$
$\frac{14}{15}÷1=\frac{14}{15}$
$3÷\frac{1}{3}＞3$
$24÷\frac{4}{5}＞24$

3. 脱式计算。
$\frac{15}{16}×\frac{4}{5}÷\frac{1}{2}$
$\frac{6}{11}÷\frac{12}{25}÷\frac{15}{44}$
$\frac{4}{5}÷\frac{16}{35}×\frac{8}{15}$
$\frac{1}{2}÷\frac{4}{3}÷\frac{1}{2}$
$\frac{6}{5}×\frac{3}{2}÷\frac{35}{44}$
$1÷\frac{7}{8}×\frac{7}{15}$

$\frac{15}{16}×\frac{4}{5}÷\frac{1}{2}$
$=\frac{3}{4}÷\frac{1}{2}$
$=\frac{3}{4}×2$
$=\frac{3}{2}$
$\frac{6}{11}÷\frac{12}{25}÷\frac{15}{44}$
$=\frac{6}{11}×\frac{25}{12}×\frac{44}{15}$
$=\frac{25}{22}×\frac{44}{15}$
$=\frac{10}{3}$
$\frac{4}{5}÷\frac{16}{35}×\frac{8}{15}$
$=\frac{4}{5}×\frac{35}{16}×\frac{8}{15}$
$=\frac{7}{4}×\frac{8}{15}$
$=\frac{14}{15}$
$\frac{1}{2}÷\frac{4}{3}÷\frac{1}{2}$
$=\frac{1}{2}×\frac{3}{4}×2$
$=\frac{1}{2}×2×\frac{3}{4}$
$=1×\frac{3}{4}$
$=\frac{3}{4}$
$\frac{6}{5}×\frac{3}{2}÷\frac{35}{44}$
$=\frac{9}{5}÷\frac{35}{44}$
$=\frac{9}{5}×\frac{44}{35}$
$=\frac{396}{175}$
$1÷\frac{7}{8}×\frac{7}{15}$
$=1×\frac{8}{7}×\frac{7}{15}$
$=\frac{8}{7}×\frac{7}{15}$
$=\frac{8}{15}$

4. 解方程。
$\frac{14}{15}x=42$
$\frac{3}{11}x=\frac{7}{44}$
$\frac{5}{6}x=25$

解：$\frac{14}{15}x=42$
$x=42×\frac{15}{14}$
$x=45$
解：$\frac{3}{11}x=\frac{7}{44}$
$x=\frac{7}{44}×\frac{11}{3}$
$x=\frac{7}{12}$
解：$\frac{5}{6}x=25$
$x=25×\frac{6}{5}$
$x=30$