a+b+c+d = 500, a^3+b^3 = 4931101, c^3+d^3 = 4931101, a = 76 b = 165 c = 102 d = 157
a+b+c+d = 500, a^3+b^3 = 4931101, c^3+d^3 = 4931101, a = 76 b = 165 c = 157 d = 102
a+b+c+d = 500, a^3+b^3 = 4931101, c^3+d^3 = 4931101, a = 102 b = 157 c = 76 d = 165
a+b+c+d = 500, a^3+b^3 = 4931101, c^3+d^3 = 4931101, a = 102 b = 157 c = 165 d = 76
a+b+c+d = 500, a^3+b^3 = 4931101, c^3+d^3 = 4931101, a = 157 b = 102 c = 76 d = 165
a+b+c+d = 500, a^3+b^3 = 4931101, c^3+d^3 = 4931101, a = 157 b = 102 c = 165 d = 76
a+b+c+d = 500, a^3+b^3 = 4931101, c^3+d^3 = 4931101, a = 165 b = 76 c = 102 d = 157
a+b+c+d = 500, a^3+b^3 = 4931101, c^3+d^3 = 4931101, a = 165 b = 76 c = 157 d = 102
Dvs. tallene 76, 102, 157, 165 løser dit problem