20/06/27 12:03:16.41 rTsmeJAV.net
∀k∈N ∃!x,y∈N
2k = x^2+y,
x≡y (mod 2),
y∈[x^2-x+2, x^2+x]
20/06/27 12:03:16.41 rTsmeJAV.net
∀k∈N ∃!x,y∈N
2k = x^2+y,
x≡y (mod 2),
y∈[x^2-x+2, x^2+x]
20/06/27 12:03:16.41 rTsmeJAV.net
∀k∈N ∃!x,y∈N
2k = x^2+y,
x≡y (mod 2),
y∈[x^2-x+2, x^2+x]