Question

Determimati toate numerele scrise an baza 10 de forma ab care sunt cu 36 mai mari decat ba

Answer 1

ab=36+ba

ab=10*a+b*1=10a+b

ba=10*b+a*1=10b+a

10a+b=36+10b+a

10a-a-10b+b=36

9a-9b=36

9*(a-b)=36

a-b=36:9

a-b=4

a=b+4

b=1,2,3,4,5

a=5,6,7,8,9