《2025年口算训练五年级数学下册人教版升级版》

$7\div10=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$8\div11=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$13\div15=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$19\div28=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$10\div17=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$33\div7=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$25\div18=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$31\div10=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$29\div14=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$47\div9=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$20\div32=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$1\div15=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$62\div7=\frac{(\ \ \ \ )}{(\ \ \ \ )}$
$16\div9=\frac{(\ \ \ \ )}{(\ \ \ \ )}$

答案：

$\frac{21}{5}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{7}{9}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{15}{23}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{17}{43}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{42}{15}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{30}{25}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{35}{8}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{81}{12}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{57}{18}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{1}{14}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{37}{40}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{85}{17}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{4}{19}=(\ \ \ \ )\div(\ \ \ \ )$
$\frac{20}{17}=(\ \ \ \ )\div(\ \ \ \ )$

答案：