Cho các phát biểu sau:
(I): “23 là số nguyên tố”
(II): “Tam giác đều khi và chỉ khi chúng có...
Mathematics, 27.09.2021 01:00 therealpr1metime45
Cho các phát biểu sau:
(I): “23 là số nguyên tố”
(II): “Tam giác đều khi và chỉ khi chúng có hai đường trung tuyến bằng nhau và có một góc bằng 60o ”
(III): “Cố lên, sắp đến rồi!”
(IV): “Mọi hình chữ nhật đều nội tiếp được đường tròn”
Hỏi trong 4 phát biểu trên có bao nhiêu phát biểu là mệnh đề?
Answers: 1
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