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Câu 12:

Cho bất phương trình $x + 2y \le 3.$

Câu 12: Cho bất phương trình x+2y≤3.x + 2y \le 3.x+2y≤3. Khẳng định nào sau đây là đúng?

Thông tin câu hỏi

Câu 12:

Cho bất phương trình $x + 2y \le 3.$ Khẳng định nào sau đây là đúng?