一、根据下面的分数,给图形涂上你喜欢的颜色。

$\frac {1}{4}$ $\frac {2}{3}$ $\frac {5}{7}$

$\frac {3}{8}$ $\frac {16}{28}$ $\frac {14}{20}$
$\frac {1}{4}$ $\frac {2}{3}$ $\frac {5}{7}$
$\frac {3}{8}$ $\frac {16}{28}$ $\frac {14}{20}$
答案:


二、孔雀开屏。

(
(
360
)($\frac{2}{8}$
)(1
)($\frac{9}{12}$
)(88
)($\frac{2}{20}$
)($\frac{7}{30}$
)(210
)(104
)($\frac{5}{8}$
)
答案:
360 $\frac{2}{8}$ 1 $\frac{9}{12}$ 88 $\frac{2}{20}$ $\frac{7}{30}$ 210 104 $\frac{5}{8}$
三、在括号里填上合适的分数。

(
(
$\frac{4}{14}$
)($\frac{3}{14}$
)($\frac{9}{14}$
)($\frac{6}{14}$
)
答案:
$\frac{4}{14}$ $\frac{3}{14}$ $\frac{9}{14}$ $\frac{6}{14}$
$\frac {2}{5}-\frac {1}{5}=$
$\frac {2}{6}-\frac {1}{6}=$
$\frac {5}{7}-\frac {3}{7}=$
$\frac {8}{10}-\frac {2}{10}=$
$\frac {9}{10}-\frac {4}{10}=$
$\frac {5}{9}-\frac {4}{9}=$
$\frac {9}{11}-\frac {5}{11}=$
$\frac {9}{12}-\frac {4}{12}=$
$\frac {10}{13}-\frac {5}{13}=$
$\frac {9}{14}-\frac {5}{14}=$
$\frac{1}{5}$
$\frac {2}{6}-\frac {1}{6}=$
$\frac{1}{6}$
$\frac {5}{7}-\frac {3}{7}=$
$\frac{2}{7}$
$\frac {8}{10}-\frac {2}{10}=$
$\frac{3}{5}$
$\frac {9}{10}-\frac {4}{10}=$
$\frac{1}{2}$
$\frac {5}{9}-\frac {4}{9}=$
$\frac{1}{9}$
$\frac {9}{11}-\frac {5}{11}=$
$\frac{4}{11}$
$\frac {9}{12}-\frac {4}{12}=$
$\frac{5}{12}$
$\frac {10}{13}-\frac {5}{13}=$
$\frac{5}{13}$
$\frac {9}{14}-\frac {5}{14}=$
$\frac{2}{7}$
答案:
【答案】:$\frac{1}{5}$ $\frac{1}{6}$ $\frac{2}{7}$ $\frac{3}{5}$ $\frac{1}{2}$ $\frac{1}{9}$ $\frac{4}{11}$ $\frac{5}{12}$ $\frac{5}{13}$ $\frac{2}{7}$
查看更多完整答案,请扫码查看