Đặt tính rồi tính   0,735 × 7,8 =...   9,82 × 7,3  =...   71,35 × 6,5 =...   71,7 × 88,2 =... 1,8 × 32,3 =... 6,19 × 0,458 =... 8,7 × 9,5 =...   19,4 × 4,1 =

0,735 × 7,8 =  5,733

\(\begin{array}{l}\underline {\, \times \begin{array}{*{20}{c}}{0,735}\\{\,\,\,\,\,7,8}\end{array}} \\\,\,\,\,\,5880\\\underline {\,\,5145\,\,\,} \\5,733\end{array}\)

9,82 × 7,3 = 71,686

\(\begin{array}{l}\underline {\,\, \times \begin{array}{*{20}{c}}{9,82}\\{\,\,7,3}\end{array}} \\\,\,\,\,2946\\\underline {\,6874\,\,\,} \\71,686\end{array}\)

71,35 × 6,5 = 463,775

\[\begin{array}{l}\,\,\underline {\, \times \begin{array}{*{20}{c}}{71,35}\\{\,\,\,\,\,6,5}\end{array}} \\\,\,\,\,\,35675\\\underline {\,\,42810\,\,\,} \\463,775\end{array}\]

71,7 × 88,2 = 6323,94

\(\begin{array}{l}\,\,\,\,\,\,\underline { \times \begin{array}{*{20}{c}}{71,7}\\{88,2}\end{array}} \\\,\,\,\,\,\,\,\,1434\\\,\,\,\,\,5736\\\underline {\,\,5736\,\,\,\,\,\,} \\6323,94\end{array}\)

1,8 × 32,3 = 58,14

\(\begin{array}{l}\underline { \times \begin{array}{*{20}{c}}{\,\,\,\,1,8}\\{32,3}\end{array}} \\\,\,\,\,\,\,\,\,54\\\,\,\,\,\,36\\\underline {\,\,54\,\,\,\,\,\,} \\58,14\end{array}\)

6,19 × 0,458 = 2,83502

\(\begin{array}{l}\underline {\,\,\,\, \times \begin{array}{*{20}{c}}{\,\,\,\,6,19}\\{0,458}\end{array}} \\\,\,\,\,\,\,\,\,\,4952\\\,\,\,\,\,\,3095\\\underline {\,\,\,2476\,\,\,\,\,\,} \\\,2,83502\end{array}\)

8,7 × 9,5 = 82,65

\(\begin{array}{l}\underline {\,\, \times \begin{array}{*{20}{c}}{8,7}\\{9,5}\end{array}} \\\,\,\,\,435\\\underline {\,783\,\,\,\,} \\82,65\end{array}\)

19,4 × 4,1 = 79,54

\(\begin{array}{l}\underline {\,\, \times \begin{array}{*{20}{c}}{19,4}\\{\,\,\,4,1}\end{array}} \\\,\,\,\,\,\,\,\,194\\\underline {\,\,\,\,776\,\,\,\,} \\\,\,79,54\end{array}\)

54,5 × 0,7 = 38,15

\(\begin{array}{l}\underline {\,\, \times \begin{array}{*{20}{c}}{54,5}\\{\,\,0,7}\end{array}} \\\,\,\,3815\\\underline {\,\,\,000} \,\,\,\,\\\,\,38,15\end{array}\)