《2025年王朝霞口算小达人六年级数学上册人教版》

1 直接写出得数。
$\frac {8}{9}×\frac {3}{8}= $
$\frac {5}{6}×2= $
$\frac {4}{7}×\frac {7}{8}= $
$\frac {5}{12}×\frac {4}{5}= $
$16×\frac {1}{8}= $
$15×\frac {3}{5}= $
$54×\frac {5}{18}= $
$\frac {2}{3}×\frac {9}{4}= $
$\frac {7}{24}×\frac {3}{14}= $
$36×\frac {4}{9}= $
$\frac {7}{15}×\frac {3}{4}= $
$\frac {18}{5}×\frac {8}{9}= $
$\frac {3}{14}×2= $
$\frac {4}{5}×\frac {3}{16}= $
$\frac {4}{15}×\frac {25}{12}= $
$\frac {7}{10}×\frac {1}{7}= $
$\frac {25}{22}×\frac {11}{50}= $
$\frac {4}{7}×\frac {35}{8}= $
$\frac {7}{16}×\frac {4}{21}= $
$\frac {12}{7}×\frac {7}{8}= $
$\frac {9}{14}×\frac {7}{18}= $
$\frac {2}{27}×\frac {3}{8}= $
$\frac {25}{48}×\frac {6}{35}= $
$\frac {3}{10}×\frac {10}{9}= $
$\frac {2}{9}×\frac {3}{6}= $
$\frac {3}{8}×12= $
$\frac {4}{5}×\frac {7}{8}= $
$\frac {9}{20}×\frac {5}{6}= $
$\frac {3}{16}×\frac {4}{15}= $
$\frac {3}{4}×\frac {2}{5}= $
$\frac {17}{15}×60= $
$\frac {5}{16}×\frac {4}{15}= $
$\frac {6}{29}×\frac {29}{36}= $
$\frac {8}{15}×\frac {3}{2}= $
$\frac {9}{14}×\frac {7}{12}= $
$\frac {3}{8}×\frac {4}{27}= $

答案： 1 $\frac{1}{3}$ $\frac{5}{3}$ $\frac{1}{2}$ $\frac{1}{3}$ 2 9 15 $\frac{3}{2}$ $\frac{1}{16}$ 16 $\frac{7}{20}$ $\frac{16}{5}$ $\frac{3}{7}$ $\frac{3}{20}$ $\frac{5}{9}$ $\frac{1}{10}$ $\frac{1}{4}$ $\frac{5}{2}$ $\frac{1}{12}$ $\frac{3}{2}$ $\frac{1}{4}$ $\frac{1}{36}$ $\frac{5}{56}$ $\frac{1}{3}$ $\frac{1}{9}$ $\frac{9}{2}$ $\frac{7}{10}$ $\frac{3}{8}$ $\frac{1}{20}$ $\frac{3}{10}$ 68 $\frac{1}{12}$ $\frac{1}{6}$ $\frac{4}{5}$ $\frac{3}{8}$ $\frac{1}{18}$

2 算一算,填一填。
$\frac {4}{5}\xrightarrow {×4}□\xrightarrow {×\frac {5}{6}}□\xrightarrow {×\frac {5}{8}}□$
$\frac {5}{8}\xrightarrow {×12}□\xrightarrow {×\frac {2}{5}}□\xrightarrow {×\frac {7}{18}}□$
$\frac {7}{9}\xrightarrow {×3}□\xrightarrow {×\frac {5}{14}}□\xrightarrow {×\frac {2}{25}}□$
$\frac {5}{16}\xrightarrow {×12}□\xrightarrow {×\frac {1}{5}}□\xrightarrow {×\frac {4}{9}}□$

答案： 2 $\frac{16}{5}$ $\frac{8}{3}$ $\frac{5}{3}$ $\frac{15}{2}$ 3 $\frac{7}{6}$ $\frac{7}{3}$ $\frac{5}{6}$ $\frac{1}{15}$ $\frac{15}{4}$ $\frac{3}{4}$ $\frac{1}{3}$

3 课内应用 $\frac {3}{4}kg$某种农药加水稀释后,可喷洒1公顷的菜地。喷洒$\frac {7}{12}$公顷菜地至少需要( )kg农药。

答案： 3 $\frac{7}{16}$