方程[img=162x24]1802e4dfba9385f.png[/img]的全部解有: A: 1, 3, 1.7321, -1.7321 B: 1, 3, 1.8523, -1.8321 C: 1i, 3i, 1.5684, -1.5985 D: 1, 3, 1.8521i, -1.8521i
方程[img=162x24]1802e4dfba9385f.png[/img]的全部解有: A: 1, 3, 1.7321, -1.7321 B: 1, 3, 1.8523, -1.8321 C: 1i, 3i, 1.5684, -1.5985 D: 1, 3, 1.8521i, -1.8521i
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