Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
số pần tử của A là 6 phàn tử
Tick mk vài cái cho lên 220 nha !!!
a) A={2,0}
b)B={c,a,h,m,n,g,t}
c)C={0,1,2,3,4,5,6,7,8,9}
d)D={15,25,35,45,65,75,85,95}
99995 la dung
1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%
A = { 2 , 0 }
\(A=\left\{2;0\right\}\)