1. 直接写出得数。
$0×\frac{6}{7}=$
$\frac{1}{5}÷\frac{3}{5}=$
$5÷\frac{5}{4}=$
$40÷(1-\frac{3}{8})=$
$\frac{5}{6}×\frac{3}{4}=$
$2.1÷\frac{3}{7}=$
$\frac{4}{7}×5=$
$\frac{2}{3}÷\frac{1}{4}×\frac{3}{8}=$
$8×\frac{5}{4}=$
$\frac{12}{13}÷6=$
$\frac{6}{7}÷15=$
$\frac{4}{5}×\frac{15}{16}÷9=$
$24÷\frac{3}{8}=$
$\frac{2}{3}÷0.5=$
$\frac{5}{8}×0.64=$
$1÷\frac{2}{5}×\frac{8}{9}=$
$26×\frac{2}{13}=$
$\frac{8}{9}×\frac{3}{8}=$
$2.4×\frac{3}{5}=$
$30×\frac{1}{5}÷\frac{1}{6}=$
$1÷\frac{11}{15}=$
$\frac{2}{5}÷0.2=$
$72÷\frac{9}{8}=$
$\frac{4}{5}+\frac{1}{5}÷\frac{1}{5}=$

1. 0 $\frac{1}{3}$ 4 64
$\frac{5}{8}$ 4.9 $\frac{20}{7}$ 1
10 $\frac{2}{13}$ $\frac{2}{35}$ $\frac{1}{12}$
64 $\frac{4}{3}$ 0.4 $\frac{20}{9}$
4 $\frac{1}{3}$ 1.44 36
$\frac{15}{11}$ 2 64 $1\frac{4}{5}$

2. 在○里填上“＞”“＜”或“=”。
$\frac{3}{10}×\frac{1}{2} ◯ \frac{1}{2}$
$\frac{8}{9}×\frac{3}{2} ◯ \frac{8}{9}$
$\frac{12}{17}×\frac{3}{4} ◯ \frac{12}{17}×\frac{4}{3}$
$\frac{6}{7}÷\frac{2}{3} ◯ \frac{6}{7}$
$\frac{11}{12}÷\frac{5}{4} ◯ \frac{11}{12}$
$\frac{8}{11}÷\frac{4}{5} ◯ \frac{8}{11}÷\frac{6}{5}$
$\frac{4}{5} ◯ \frac{4}{5}÷\frac{4}{5}$
$\frac{5}{2}×\frac{2}{5} ◯ 1$
$\frac{9}{10}×\frac{1}{3} ◯ \frac{9}{10}÷\frac{1}{3}$
$\frac{2}{5}÷\frac{3}{4} ◯ \frac{2}{5}$
$\frac{4}{7}×\frac{5}{9} ◯ \frac{5}{9}$
$\frac{3}{5}×\frac{8}{7} ◯ \frac{3}{5}÷\frac{8}{7}$

＜ ＞ ＜
＞ ＜ ＞
＜ = ＜
＞ ＜ ＞

3. 计算下面各题，能简算的要简算。
$\frac{7}{10}×45×\frac{2}{7}$
$(12-\frac{3}{5})÷\frac{1}{5}$
$199×\frac{197}{200}$
$25×\frac{4}{5}÷\frac{5}{6}$
$1÷(\frac{1}{8}+\frac{1}{12})$
$\frac{2}{15}÷[1-(\frac{1}{5}+\frac{1}{3})]$
$\frac{5}{42}÷\frac{6}{7}×\frac{4}{5}$
$\frac{7}{8}×\frac{5}{7}÷\frac{5}{16}$
$\frac{11}{18}×\frac{5}{9}+\frac{5}{9}÷\frac{18}{7}$
$(\frac{1}{6}+\frac{1}{10}+\frac{2}{15})×30$
$\frac{5}{9}×\frac{2}{7}+\frac{4}{9}÷\frac{7}{2}$
$\frac{8}{17}÷23+\frac{1}{23}×\frac{9}{17}+\frac{1}{23}$

9 57 $196\frac{3}{200}$
24 $\frac{24}{5}$ $\frac{2}{7}$
$\frac{1}{9}$ 2 $\frac{5}{9}$
12 $\frac{2}{7}$ $\frac{2}{23}$