Răspuns :
a-b=81919
a:b=27r1657
a=27b+1657
a=81919+b
27b+1657=81919+b
26b=81919-1657=80262
b=80262:26=3087
a=81919+3087=85006
media=(a+b)/2=(85006+3087)/2=88093/2=44046,5 sau media=44046 rest 1
a-b=81919,a=81919+b,
a/b=cat27rest1657, a=27b+1657 (torema impartirii cu rest)
egalam valorile lui a⇒81919+b=27b+1657, 26b=81919-1657, b=80262/26=3087
a=81919+3087=85006
media aritmetica=Ma=(a+b)/2=(85006+3087)/2=88093/2=44046,5