Địa chỉ thư điện tử được phân cách bởi kí hiệu:
A. $
B. @
C. #
D. &
K
Khách
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28 tháng 12 2021
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Địa chỉ thư điện tử được phân cách bởi kí hiệu @. cú pháp địa chỉ thư điện tử tổng quát là: < Tên đăng nhập > @ < Tên máy chủ lưu hộp thư >
→ Đáp án B