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Câu 20:

Số phức $z=2-3i$

Câu 20: Số phức z=2−3iz=2-3iz=2−3i có điểm biểu diễn là

Thông tin câu hỏi

Câu 20:

Số phức $z=2-3i$ có điểm biểu diễn là