第21页 - 六年级数学下册

$\frac {1}{36}$

$\frac {1}{108}$

$\frac {9}{4}$

$\frac {27}{8}$

$\frac {1}{30}$

$\frac {1}{90}$

C

B

A

B

$=\frac {18}{25}×1$

$=\frac {18}{25}$

$=30×\frac {5}{9}$

$=\frac {50}{3}$

$=(\frac {1}{6}+\frac {5}{6})+(\frac {2}{9}+\frac {3}{9})$

$=1+\frac {5}{9}$

$=1 \frac {5}{9}$

$=\frac {1}{2}×\frac {15}{14}$

$=\frac {15}{28}$

$240×\frac {1}{6}=40($吨$)$

答：今年橘子产量比苹果多$40$吨。

$240+\frac {1}{6}=240 \frac {1}{6}($吨$)$

答：今年橘子产量是$240 \frac {1}{6}$吨。

$\frac {8}{10}×\frac {4}{5}×\frac {11}{12}=\frac {44}{75}($立方米$)$

答：这台冰柜的体积是$\frac {44}{75}$立方米。

$\frac {7}{9}$

$\frac {27}{16}$

$\frac {16}{21}$

$\frac {7}{10}$

$\frac {3}{2}$

$\frac {15}{8}$

$\frac {7}{8}$