Đặt tính rồi tính

78,9 – 34,56 =...	23,67 – 7,123 =...	456,1 – 189,4 =...
345,9 – 234,5 =...	5,678 – 2,134 =...	134,56 – 67,89 =...
189,2 – 89,56 =...	12,34 – 4,123 =...	67,8 – 23,45 =...
456,7 – 345,6 =...	23,456 – 5,12 =...	345,1 – 167,8 =...

234,56 – 78,9 =

12,345 – 3,67 =

456,1 – 123,4 =

89,12 – 5,678 =

7,89 – 2,134 =

345,9 – 167,8 =

167,4 – 56,78 =

23,456 – 6,12 =

345,6 – 89,34 =

5,678 – 1,234 =

24,63 – 9,17 =

189,5 – 78,9 =

56,7 – 23,45 =

456,2 – 234,1 =

123,6 – 7,89 =

67,123 – 12,34 =

189,2 – 5,67 =

345,7 – 123,56 =

456,8 – 167,9 =

23,67 – 2,345 =

89,1 – 3,456 =

12,34 – 6,789 =

234,5 – 78,12 =

167,8 – 56,7 =

5,12 – 1,23 =

345,1 – 189,4 =

67,89 – 23,456 =

456,9 – 234,5 =

123,45 – 4,678 =

42,31 – 18,92 =

189,6 – 89,1 =

56,78 – 12,34 =

234,5 – 78,9 =

12,34 – 5,678 =

456,1 – 123,67 =

89,34 – 2,134 =

7,89 – 3,456 =

50 – 28,57 =

167,9 – 56,12 =

23,456 – 6,78 =

345,2 – 89,1 =

5,123 – 1,234 =

47,12 – 19,73 =

189,5 – 67,89 =

56,7 – 23,45 =

456,8 – 234,5 =

123,4 – 7,123 =

78,9 – 12,34 =

189,6 – 5,67 =

345,1 – 167,9 =

5,678 – 2,345 =

23,67 – 4,56 =

\(\underline { - \begin{array}{*{20}{c}}{45,6}\\{12,3}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{123,78}\\{\,\,\,\,4,56}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{7,89}\\{\,\,\,2,134}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{234,5}\\{\,\,\,89,1}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{456,7}\\{345,2}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{89,12}\\{\,\,5,67}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{345,9}\\{\,\,\,\,\,\,\,\,1,23}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{23,456}\\{\,6,78}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{167,4}\\{\,\,78,9}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{12,34}\\{\,\,\,\,3,456}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{234,5}\\{\,\,67,8}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{56,7}\\{\,\,\,\,\,\,\,4,123}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{189,2}\\{123,4}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{345,1}\\{\,\,\,\,\,\,\,\,\,\,\,\,2,345}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{78,9}\\{\,\,\,\,\,5,67}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{12,345}\\{1,23}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{167,8}\\{\,\,\,\,\,\,56,78}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{456,2}\\{234,5}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{89,34}\\{\,\,\,\,6,789}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{123,6}\\{\,\,45,1}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{345,9}\\{\,\,78,9}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{23,67}\\{\,2,56}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{5,678}\\{1,234}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{134,5}\\{\,\,67,8}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{456,1}\\{189,2}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{\,\,\,\,67,89}\\{12,3}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{189,4}\\{123,5}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{345,6}\\{\,\,56,7}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{\,\,\,7,123}\\{2,45}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{23,456}\\{\,\,5,678}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{123,7}\\{\,45,6}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{456,2}\\{\,\,\,\,\,89,12}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{12,34}\\{\,\,\,\,\,1,789}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{234,9}\\{167,4}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{56,78}\\{\,\,3,45}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{189,5}\\{\,\,78,9}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{5,67}\\{\,\,2,134}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{345,1}\\{123,6}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{67,89}\\{12,34}\end{array}} \)

...

\(\underline { - \begin{array}{*{20}{c}}{456,7}\\{234,5}\end{array}} \)

...

456,9 – 189,5 =...

12,345 – 6,78 = ...

345,6 – 234,5 = ...

5,12 – 1,234 = ...

134,2 – 67,8 = ...

67,89 – 23,4 = ...

167,9 – 78,9 = ...

123,56 – 56,78 = ...

456,7 – 345,1 =...

23,67 – 7,89 = ...

189,4 – 89,12 = ...

5,678 – 2,34   = ...

123,4 – 5,67 =

78,9 – 2,345 =

456,7 – 1,23 =

234,5 – 12,34 =

89,12 – 6,789 =

345,6 – 3,45 =

167,8 – 23,456 =

56,78 – 7,123 =

345,9 – 4,56 =

189,2 – 5,678 =

12,34 – 2,134 =

67,89 – 1,23 =

25,5 – 10,25 =

456,1 – 6,12 =

56,7 – 3,456 =

123,6 – 4,567 =

189,4 – 12,34 =

345,2 – 2,789 =

7,89 – 1,23 =

167,9 – 5,67 =

456,8 – 23,45 =

89,1 – 3,678 =

12,345 – 6,12 =

234,6 – 1,789 =

345,1 – 78,9 =

56,78 – 4,56 =

123,7 – 5,678 =

189,5 – 2,34 =

67,89 – 3,45 =

456,2 – 12,345 =

234,5 – 89,12 =

7,123 – 1,234 =