《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 {4}{9}×\frac {3}{8}= $
$\frac {3}{4}×\frac {8}{9}= $
$\frac {2}{7}×2= $
$\frac {3}{10}×\frac {10}{3}= $
$\frac {7}{12}×\frac {4}{7}= $
$\frac {3}{4}×\frac {1}{2}= $
$\frac {5}{28}×7= $
$\frac {3}{2}×\frac {14}{3}= $
$\frac {3}{5}×1= $
$\frac {1}{3}×\frac {3}{4}= $
$12×\frac {3}{4}= $
$\frac {4}{7}×\frac {1}{8}= $
$\frac {3}{7}×\frac {4}{5}= $
$\frac {4}{5}×\frac {5}{6}= $
$\frac {2}{3}×\frac {7}{8}= $
$\frac {3}{11}×\frac {5}{6}= $
$\frac {17}{24}×\frac {16}{51}= $
$24×\frac {3}{4}= $
$\frac {3}{10}×\frac {5}{6}= $
$\frac {16}{5}×\frac {5}{4}= $
$\frac {3}{5}×\frac {3}{7}= $
$\frac {3}{16}×\frac {1}{4}= $
$\frac {9}{7}×\frac {5}{18}= $
$\frac {4}{13}×\frac {1}{2}= $
$\frac {4}{7}×\frac {7}{8}= $
$\frac {5}{12}×\frac {2}{3}= $
$\frac {5}{8}×\frac {4}{5}= $
$\frac {9}{4}×\frac {16}{3}= $
$\frac {11}{15}×\frac {3}{11}= $
$\frac {7}{12}×\frac {9}{7}= $
$\frac {3}{28}×\frac {5}{6}= $
$\frac {5}{7}×\frac {4}{15}= $

答案： 1.$\frac{2}{9}$ 2.$\frac{2}{3}$ 3.$\frac{4}{7}$ 4.1 5.$\frac{1}{3}$ 6.$\frac{3}{8}$ 7.$\frac{5}{4}$ 8.7 9.$\frac{3}{5}$ 10.$\frac{1}{4}$ 11.9 12.$\frac{1}{14}$ 13.$\frac{12}{35}$ 14.$\frac{2}{3}$ 15.$\frac{7}{12}$ 16.$\frac{5}{22}$ 17.$\frac{2}{9}$ 18.18 19.$\frac{1}{4}$ 20.4 21.$\frac{9}{35}$ 22.$\frac{3}{64}$ 23.$\frac{5}{14}$ 24.$\frac{2}{13}$ 25.$\frac{1}{2}$ 26.$\frac{5}{18}$ 27.$\frac{1}{2}$ 28.12 29.$\frac{1}{5}$ 30.$\frac{3}{4}$ 31.$\frac{5}{56}$ 32.$\frac{4}{21}$

2 根据算式涂一涂,再计算。




$\frac {2}{5}×\frac {2}{3}= \frac {( )}{( )}$
$\frac {2}{3}×\frac {3}{5}= \frac {( )}{( )}$

答案：
2【示例】；2【示例】；$\frac{4}{15}$；$\frac{2}{5}$

3 课内应用 一根木棒长$\frac {8}{15}m$,半根这样的木棒长( )m,$\frac {2}{3}$根这样的木棒长( )m。

答案： $\frac{4}{15}$；$\frac{16}{45}$