[tex]\text{Notam cu a si b cele 2 numere.} \\
a+b =26 \\
a\ \textless \ b \\
b : a = c~~rest ~~r \\
a:b = 0~~rest~~a~~~~~~~c+r=a \\
a=b-8 \\ \\
a~|---------| \\ \\
b~|---------|--------| \\
diferenta=~~~~~~~~~~~~~~~~~~~~~~~~~~~8 \\
26-8=18 \\
a=18:2=\boxed{9} \\
b=9+8=\boxed{17}
[/tex]
[tex]Verificare: \\
9+17=26 \\
9:17=0~~rest~~9 ~~~~~~~~~0+9=9 \\
17:9 =1~~rest~~8 ~~~~~~~~~1+8=9 \\
17-9 = 8[/tex]