《2025年教材全解四年级数学上册北师大版》

典型例题 把竖式填完整。


$\begin{array}{r r r r r r r r r}& & &2&0&3& \\ ×& & & &1&6& \\ \hline & &1&2&1&8& \\ &2&0&3& \\ \hline &3&2&4&8& \end{array}$
$\begin{array}{r r r r r r r r r}& & &2&0&3& \\ ×& & & &2&6& \\ \hline & &1&2&1&8& \\ &4&0&6& \\ \hline &5&2&7&8& \end{array}$
$\begin{array}{r r r r r r r r r}& & &2&0&3& \\ ×& & & &3&6& \\ \hline & &1&2&1&8& \\ &6&0&9& \\ \hline &7&3&0&8& \end{array}$
$\begin{array}{r r r r r r r r r}& & &2&0&3& \\ ×& & & &4&6& \\ \hline & &1&2&1&8& \\ &8&1&2& \\ \hline &9&3&3&8& \end{array}$

答案： 答题卡：
$\begin{array}{r r r r r r r r r}&& &2&0&3& \\ ×&&&&1&6& \\ \hline &&1&2&1&8& \\ &2&0&3& \\ \hline &3&2&4&8& \end{array}$
$\begin{array}{r r r r r r r r r}&& &2&0&3& \\ ×&&&&2&6& \\ \hline &&1&2&1&8& \\ &4&0&6& \\ \hline &5&2&7&8& \end{array}$
$\begin{array}{r r r r r r r r r}&& &2&0&3& \\ ×&&&&3&6& \\ \hline &&1&2&1&8& \\ &6&0&9& \\ \hline &7&3&0&8& \end{array}$
$\begin{array}{r r r r r r r r r}&& &2&0&3& \\ ×&&&&4&6& \\ \hline &&1&2&1&8& \\ &8&1&2& \\ \hline &9&3&3&8& \end{array}$