Răspuns :
a+b=698
a:b=68 r8=>a=68b+8
a+b=698
68b+8+b=698
69b=698-8
69b=698
b=698:69
b=10
a=68*10+8=688
a=688
a:b=68 r8=>a=68b+8
a+b=698
68b+8+b=698
69b=698-8
69b=698
b=698:69
b=10
a=68*10+8=688
a=688
a+b=698
a:b=68,8
a=68b+8
68b+8+b=698
69b=690
b=10
a=68*10+8
a=680+8
a=688
a:b=68,8
a=68b+8
68b+8+b=698
69b=690
b=10
a=68*10+8
a=680+8
a=688