ƯCLN(a,b)=32
=>\(\left\{{}\begin{matrix}a=32k\\b=32c\end{matrix}\right.\)
a+b=160
=>32k+32c=160
=>32(k+c)=160
=>k+c=5
=>\(\left(k;c\right)\in\left\{\left(1;4\right);\left(2;3\right);\left(3;2\right);\left(4;1\right)\right\}\)
=>\(\left(a,b\right)\in\left\{\left(32;128\right);\left(64;96\right);\left(96;64\right);\left(128;32\right)\right\}\)