0\\y>0\\x+y>0\end{array}\right\\\\\\\left\{\begin{array}{l}log_3(xy)=log_3(3\cdot 2)\\x+y=5\end{array}\right\ \ \left\{\begin{array}{l}xy=6\\x+y=5\end{array}\right\ \ \left\{\begin{array}{ccc}x\, (5-x)=6\\y=5-x\end{array}\right" alt="\left\{\begin{array}{l}log_3x+log_3y=+log_32\\log_{25}(x+y)=0,5\end{array}\right\ \ ,\ \ ODZ:\ \ \left\{\begin{array}{l}x>0\\y>0\\x+y>0\end{array}\right\\\\\\\left\{\begin{array}{l}log_3(xy)=log_3(3\cdot 2)\\x+y=5\end{array}\right\ \ \left\{\begin{array}{l}xy=6\\x+y=5\end{array}\right\ \ \left\{\begin{array}{ccc}x\, (5-x)=6\\y=5-x\end{array}\right" align="absmiddle" class="latex-formula">

Пара рядом стоящих чисел - это 2 и 3 .