Răspuns :
Notăm: a şi b - numerele
a-b=34
a=2b-35
2b-35-b=34
b-35=34/+35
b=69
a-69=34/+69
a=103
a-b=34
a=2b-35
2b-35-b=34
b-35=34/+35
b=69
a-69=34/+69
a=103
a-b=34
a=bx2-35
bx2-b-35=34
bx1=34+35
bx1=69
b=69:1
b=69
a=69x2-35
a=138-35
a=103
proba:a-b=103-69=34
a=bx2-35
bx2-b-35=34
bx1=34+35
bx1=69
b=69:1
b=69
a=69x2-35
a=138-35
a=103
proba:a-b=103-69=34