+1904 $${\mathtt{\,-\,}}{\mathtt{30}}{\mathtt{\,\times\,}}{\mathtt{40}}{\mathtt{\,\small\textbf+\,}}{\mathtt{2}}{\mathtt{\,\small\textbf+\,}}\left({\mathtt{5}}\right) = {\mathtt{Y}}$$
$${\mathtt{\,-\,}}{\mathtt{1\,200}}{\mathtt{\,\small\textbf+\,}}{\mathtt{2}}{\mathtt{\,\small\textbf+\,}}\left({\mathtt{5}}\right) = {\mathtt{Y}}$$
$${\mathtt{\,-\,}}{\mathtt{1\,198}}{\mathtt{\,\small\textbf+\,}}\left({\mathtt{5}}\right) = {\mathtt{Y}}$$
$$-{\mathtt{1\,193}} = {\mathtt{Y}}$$
.+1904 $${\mathtt{\,-\,}}{\mathtt{30}}{\mathtt{\,\times\,}}{\mathtt{40}}{\mathtt{\,\small\textbf+\,}}{\mathtt{2}}{\mathtt{\,\small\textbf+\,}}\left({\mathtt{5}}\right) = {\mathtt{Y}}$$
$${\mathtt{\,-\,}}{\mathtt{1\,200}}{\mathtt{\,\small\textbf+\,}}{\mathtt{2}}{\mathtt{\,\small\textbf+\,}}\left({\mathtt{5}}\right) = {\mathtt{Y}}$$
$${\mathtt{\,-\,}}{\mathtt{1\,198}}{\mathtt{\,\small\textbf+\,}}\left({\mathtt{5}}\right) = {\mathtt{Y}}$$
$$-{\mathtt{1\,193}} = {\mathtt{Y}}$$
