Mọi ngừoi làm ra giấy xong chụp đx ko ạ

821,2:5,6

348,12:3,45

239,5:6,7

\(\left.\begin{array}{l}8\,2\,1,2\\ 2\,6\,1\\\,\,\,\,3\,7\,\,2\\\quad\,\,3\,\,6\end{array}\right|\!\!\!\;\!\!\begin{array}{l}\dfrac{\ \ 5,6\ \ }{\ \ 1\,4\,6\ \ }\\\\\\\end{array}\) $\\$ Vậy `821,2:5,6=146` (dư `36`)$\\$$==================$$\\$\(\left.\begin{array}{l}3\,4\,8,1\,2\\ \ \,\,\,\,\,\,\,3\,\,1\\\,\,\quad3\,\,1\,2\\\quad\,\,3\,\,1\,2\end{array}\right|\!\!\!\;\!\!\begin{array}{l}\dfrac{\ \ 3,4\,5\ \ }{\ \ 1\,0\,0\ \ }\\\\\\\end{array}\) $\\$ Vậy `348,12:3,45=100` (dư `312`)$\\$$==================$$\\$\(\left.\begin{array}{l}2\,3\,9,5\\ 2\,0\,1\\\hline\,\,\,\,3\,8\,\,5\\\,\,\,\,3\,3\,\,5\\\hline\,\,\,\,\,\,\,\,5\,\,0\end{array}\right|\!\!\!\;\!\!\begin{array}{l}\dfrac{\ \ 6,7\ \ }{\ \ 3\,5\ \ }\\\\\\\end{array}\) $\\$ Vậy `239,5:6,7=35` (dư `50`)