Xét tính chất phản xạ, đối xứng, phản xứng, bắc cầu của quan hệ 2 ngôi sau:
Cho X = R
a) a T...
![subject](/tpl/images/cats/mat.png)
Mathematics, 19.09.2021 14:00 coliver15
Xét tính chất phản xạ, đối xứng, phản xứng, bắc cầu của quan hệ 2 ngôi sau:
Cho X = R
a) a T b <=> 2a + 3b < 1500
b) a H b <=> 2a < 3b + 15
![ansver](/tpl/images/cats/User.png)
Answers: 2
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