如图，在复平面内，复数对应的向量分别是则=（） A．2

如图，在复平面内，复数对应的向量分别是则=（）

A．2 　　 B.3 　　 C. D.

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如图，在复平面内，复数对应的向量分别是则=（ ） A．2

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如图，在复平面内，复数对应的向量分别是则=（） A．2