Obliczmy różnice sposobem pisemnym:

$\begin{array}{r}\stackrel{2}{\cancel{3}}\stackrel{12}{\cancel{3}},\stackrel{13}{\cancel{3}}\\ \underline{-9,4}\\ 23,9\end{array}\begin{array}{r}\stackrel{0}{\cancel{1}}\stackrel{11}{\cancel{2}}\stackrel{14}{\cancel{4}},6\\ \underline{-75,3}\\ 49,3\end{array}\begin{array}{r}498,3\\ \underline{-272,3}\\ 226,0\end{array}\begin{array}{r}\stackrel{7}{\cancel{8}}\stackrel{14}{\cancel{4}},9\\ \underline{-79,9}\\ 5,0\end{array}\begin{array}{r}\stackrel{0}{\cancel{1}}\stackrel{14}{\cancel{4}},9\\ \underline{-9,8}\\ 5,1\end{array}$

 

$\begin{array}{r}2\stackrel{5}{\cancel{6}},\stackrel{18}{\cancel{8}}\\ \underline{-15,9}\\ 10,9\end{array}\begin{array}{r}\stackrel{5}{\cancel{6}}\stackrel{12}{\cancel{2}}\stackrel{4}{\cancel{5}},\stackrel{14}{\cancel{4}}\\ \underline{-334,8}\\ 290,6\end{array}\begin{array}{r}45\stackrel{7}{\cancel{8}},\stackrel{10}{\cancel{0}}\\ \underline{-237,9}\\ 220,1\end{array}\begin{array}{r}\stackrel{2}{\cancel{3}}\stackrel{10}{\cancel{0}},\stackrel{3}{\cancel{4}}\stackrel{10}{\cancel{0}}\\ \underline{-12,34}\\ 18,06\end{array}\begin{array}{r}\stackrel{4}{\cancel{5}}\stackrel{12}{\cancel{3}},\stackrel{10}{\cancel{0}}5\\ \underline{-9,45}\\ 43,60\end{array}$

Uzupełnijmy tabelkę:

Liczba	$290,6$	$226,0$	$220,1$	$49,3$	$43,60$	$23,9$	$18,06$	$10,9$	$5,1$	$5,0$
Litera	A	R	C	H	I	M	E	D	E	S