討論:初中數學/算則練習/分數四則

維基教科書，自由的教學讀本

練習題答案

${\frac {8}{9}}$
$-{\frac {7}{40}}$
${\frac {17}{56}}$
$-{\frac {38}{25}}$
${\frac {91}{24}}$
$-{\frac {7}{24}}$
${\frac {2}{7}}$
$-{\frac {27}{13}}$
$-{\frac {1}{6}}$
${\frac {24}{13}}$

取自「https://zh.wikibooks.org/w/index.php?title=Talk:初中數學/算則練習/分數四則&oldid=62402」