Mathematics, 24.08.2021 17:10, michaellab1

Bài 1. Các câu sau đây, câu nào là mệnh đề, câu nào không phải là mệnh đề ? Nếu là mệnh đề hay cho biết mệnh đề đó đúng hay sai.
a) Không được đi lối này! b) Bây giờ là mấy giờ ?
c) 7 không là số nguyên tố. d)
5
là số vô tỉ.

Answers: 2

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Bài 1. Các câu sau đây, câu nào là mệnh đề, câu nào không phải là mệnh đề ? Nếu là mệnh đề hay cho...