Question

Determinati cifrele nenule a,b si c stiind ca a,b+b,c+c,a=4,4

Answer 1

a + a/10 + b + b/10 + c + c/10 = 4,4

10(a+b+c+) + a+b+c = 44

a+b+c =4

evident cu a ≠ 0 , b ≠0 , c ≠ 0

a=1 , b=1, c=2

a=1, b=2 , c= 1

a =2 , b=1, c=1