《2025年全易通五年级数学上册苏教版》

（1）$\begin{array}{r} 4\boxed{3}\boxed{4} \\ ×\quad\boxed{2}.4 \\ \hline\boxed{1}\boxed{7}3\boxed{6} \\ \boxed{8}\boxed{6}8 \\ \hline1\boxed{0}\boxed{4}\boxed{1}.6 \end{array}$
（2）$\begin{array}{r} \quad\boxed{7}\boxed{0}5 \\ ×\quad0.3\boxed{9} \\ \hline\quad63\boxed{4}5 \\ \quad2\boxed{1}15 \\ \hline\quad\boxed{2}\boxed{7}4.\boxed{9}5 \end{array}$

答案： （1）
$\begin{array}{r} 4\boxed{3}\boxed{4} \\ ×\quad\boxed{2}.4 \\ \hline\boxed{1}\boxed{7}3\boxed{6} \\ \boxed{8}\boxed{6}8 \\ \hline1\boxed{0}\boxed{4}\boxed{1}.6 \end{array}$
（2）
$\begin{array}{r} \quad\boxed{7}\boxed{0}5 \\ ×\quad0.3\boxed{9} \\ \hline\quad63\boxed{4}5 \\ \quad2\boxed{1}15 \\ \hline\quad\boxed{2}\boxed{7}4.\boxed{9}5 \end{array}$