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10 tháng 9 2020

Vì N tập hợp tất cả các số tự nhiên và cả hai TH không có TH nào \(\notin\)nên cả hai TH đều đúng.

5 tháng 9 2016

khẳn đinh nào 

giúp tớ nhé 

tớ mới bị trừ 380

căm ơn trước

5 tháng 9 2016

thiếu đề

18 tháng 7 2016

a đúng b sai còn c và d mình cũng ko chắc lắm tck mình nhé

14 tháng 6 2017

a đúng

b .sai

c.sai

d.sai

14 tháng 6 2017

a,đúng

b,sai

c,sai

d,đúng

11 tháng 12 2015

Câu C

Đúng nhất !!!

4 tháng 1 2022

C

19 tháng 11 2017

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