👤

20 va rog.Am nevoie urgent!!!

20 Va RogAm Nevoie Urgent class=

Răspuns :

[tex]\overline{ab}-\overline{ba}=36;\ a,b\neq 0\\ 10a+b-10b-a=36\\ 9a-9b=36\\ 9(a-b)=36\\ a-b=4\\ (a,b)\in \{(9,5);(8,4);(7,3);(6,2);(5,1)\}\\ S:\overline{ab}\in \{95,84,73,62,51\}[/tex]