@kusano_k

kusano_k ksn
r=(-1-√3i)∛(1-6/π+(2i/π)√(3π-9))+(-1+√3i)∛(1-6/π-(2i/π)√(3π-9)) (`・ω・´) 近似解で良かったのか……('A`)
libido.ne.jp http://t.co/kuCFHrs7
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