Let k1, k2 be nonzero integers with(k1, k2) = 1 and k1k2≠-1. In this paper, we prove that there is a set A■Z such that every integer can be represented uniquely in the form n = k1a1 + k2a2, a1, a2 ∈ A.
Let k1 ,k2 be nonzero integers with (k1, k2) = 1 and k1kk ≠-1. In this paper, we prove that there is a set A Z such that every integer can be represented uniquely in the form n = k1a1 + k2a2, a1,a2 ∈ A.