Quel est l'ordre de grandeur de chacune des soustractions suivantes ?
\(\displaystyle{559-198}\)
\(\displaystyle{369-121}\)
\(\displaystyle{342-239}\)
\(\displaystyle{641-82}\)
\(\displaystyle{248,78-150,36}\)
\(\displaystyle{178,7-89,3}\)
\(\displaystyle{89-62}\)