《2025年小学生每日10分钟竖式计算卡三年级数学下册苏教版》

用竖式计算。
① $9.8 - 2.5 =$
$\begin{array}{r}9.8\\-2.5\\\hline\end{array}$
② $3.4 + 5.6 =$
$\begin{array}{r}3.4\\+5.6\\\hline\end{array}$
③ $7.6 - 3.1 =$
$\begin{array}{r}7.6\\-3.1\\\hline\end{array}$
④ $5.4 + 2.1 =$
$\begin{array}{r}5.4\\+2.1\\\hline\end{array}$
⑤ $8.3 - 4.9 =$
$\begin{array}{r}8.3\\-4.9\\\hline\end{array}$
⑥ $6.4 - 5.8 =$
$\begin{array}{r}6.4\\-5.8\\\hline\end{array}$
⑦ $5.1 - 1.2 =$
$\begin{array}{r}5.1\\-1.2\\\hline\end{array}$
⑧ $6.7 - 0.6 =$
$\begin{array}{r}6.7\\-0.6\\\hline\end{array}$

答案： 7.3 9 4.5 7.5 3.4 0.6 3.9 6.1