解四元聯立方程組
x^3/(2^3-1^3) + y^3/(2^3-3^3) + z^3/(2^3-5^3) w^3/(2^3-7^3) = 1 式一
x^3/(4^3-1^3) + y^3/(4^3-3^3) + z^3/(4^3-5^3) w^3/(4^3-7^3) = 1 式二
x^3/(6^3-1^3) + y^3/(6^3-3^3) + z^3/(6^3-5^3) w^3/(6^3-7^3) = 1 式三
x^3/(8^3-1^3) + y^3/(8^3-3^3) + z^3/(8^3-5^3) w^3/(8^3-7^3) = 1 式四
求 x^3 + y^3 + z^3 + w^3 = ? (已知為304)
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