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Câu 17:

Nếu $a + 2c > b + 2c$

Câu 17: Nếu a+2c>b+2ca + 2c > b + 2ca+2c>b+2c thì bất đẳng thức nào sau đây đúng?

Thông tin câu hỏi

Câu 17:

Nếu $a + 2c > b + 2c$ thì bất đẳng thức nào sau đây đúng?