1. 直接写出得数。
$\frac{1}{8}+\frac{1}{2}=$
$0÷\frac{11}{13}=$
$\frac{3}{10}÷\frac{1}{5}=$
$\frac{12}{13}×\frac{26}{25}=$
$\frac{1}{6}+\frac{5}{6}=$
$\frac{1}{6}+\frac{2}{3}=$
$\frac{7}{8}÷\frac{14}{3}=$
$\frac{1}{4}×\frac{1}{5}=$
$\frac{1}{3}+\frac{2}{9}=$
$\frac{1}{2}-\frac{2}{7}=$
$\frac{1}{10}÷\frac{1}{5}=$
$4÷\frac{2}{5}=$
$\frac{4}{5}÷\frac{8}{15}=$
$1×\frac{7}{10}=$
$\frac{7}{12}+\frac{3}{4}=$
$\frac{2}{3}×3=$
$\frac{8}{9}×\frac{9}{4}=$
$\frac{1}{4}÷\frac{5}{16}=$
$\frac{3}{8}×8=$
$\frac{4}{15}÷\frac{16}{5}=$
$9×\frac{2}{3}=$
$\frac{1}{6}÷5=$
$\frac{2}{5}÷\frac{6}{25}=$
$\frac{7}{5}×\frac{5}{7}=$
实际用时:分钟
$\frac{1}{8}+\frac{1}{2}=$
$0÷\frac{11}{13}=$
$\frac{3}{10}÷\frac{1}{5}=$
$\frac{12}{13}×\frac{26}{25}=$
$\frac{1}{6}+\frac{5}{6}=$
$\frac{1}{6}+\frac{2}{3}=$
$\frac{7}{8}÷\frac{14}{3}=$
$\frac{1}{4}×\frac{1}{5}=$
$\frac{1}{3}+\frac{2}{9}=$
$\frac{1}{2}-\frac{2}{7}=$
$\frac{1}{10}÷\frac{1}{5}=$
$4÷\frac{2}{5}=$
$\frac{4}{5}÷\frac{8}{15}=$
$1×\frac{7}{10}=$
$\frac{7}{12}+\frac{3}{4}=$
$\frac{2}{3}×3=$
$\frac{8}{9}×\frac{9}{4}=$
$\frac{1}{4}÷\frac{5}{16}=$
$\frac{3}{8}×8=$
$\frac{4}{15}÷\frac{16}{5}=$
$9×\frac{2}{3}=$
$\frac{1}{6}÷5=$
$\frac{2}{5}÷\frac{6}{25}=$
$\frac{7}{5}×\frac{5}{7}=$
实际用时:分钟
答案
1. $\frac{5}{8}$ 0 $\frac{3}{2}$ $\frac{24}{25}$
1 $\frac{5}{6}$ $\frac{3}{16}$ $\frac{1}{20}$
$\frac{5}{9}$ $\frac{3}{14}$ $\frac{1}{2}$ 10
$\frac{3}{2}$ $\frac{7}{10}$ $\frac{4}{3}$ 2
2 $\frac{4}{5}$ 3 $\frac{1}{12}$
6 $\frac{1}{30}$ $\frac{5}{3}$ 1
1 $\frac{5}{6}$ $\frac{3}{16}$ $\frac{1}{20}$
$\frac{5}{9}$ $\frac{3}{14}$ $\frac{1}{2}$ 10
$\frac{3}{2}$ $\frac{7}{10}$ $\frac{4}{3}$ 2
2 $\frac{4}{5}$ 3 $\frac{1}{12}$
6 $\frac{1}{30}$ $\frac{5}{3}$ 1
2. 计算下面各题。
$\frac{8}{9}×\frac{2}{5}÷\frac{8}{15}$
$(\frac{1}{3}+\frac{8}{9}-\frac{5}{6})×36$
$\frac{8}{5}÷[\frac{2}{5}×(\frac{7}{6}-\frac{3}{4})]$
北
↑
$\frac{8}{9}×\frac{2}{5}÷\frac{8}{15}$
$(\frac{1}{3}+\frac{8}{9}-\frac{5}{6})×36$
$\frac{8}{5}÷[\frac{2}{5}×(\frac{7}{6}-\frac{3}{4})]$
北
↑
答案
2. $\frac{2}{3}$ 14 $\frac{48}{5}$
3. 看图填空。(每一小格代表 100 m)
(1)展览馆在长春公园(
(2)银行在长春公园(

(1)展览馆在长春公园(
正西
)方向上,距离长春公园(300
)m。(2)银行在长春公园(
西偏北45°
)方向上,距离长春公园(500
)m。答案
3. (1)正西 300
(2)西偏北45° 500
(2)西偏北45° 500
用简便的方法计算:$\frac{74}{75}×73$
答案
【思维提升】$72\frac{2}{75}$
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