C1:A = tap hop rong
C2:A={x thuoc N | 20<x<13}
B={12;14;16;18}
Tap hop B la chua A
Chuc bn hoc gioi!
mk ko biet viet ki hieu nha
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Các câu hỏi tương tự
lay vi du ve 1 tap hop
nguoi ta dat ten cho tap hop nhu the nao
viet tap hop A cac so tu nhien nho hon 5. chi ra cac phan tu cac tap hop tu A. so 1 co thuoc tap hop A hay ko, viet ki hieu. so 6 co thuoc tap hop A hay ko, viet ki hieu
viet tap hop B cac so tu nhien nho hon 6 bang 2 cach
viet tap hop D cac so tu nhien nho hon 7 roi dien ki hieu thich hop vao o vuong : 2.. D; 10..D
viet tap hop cac chu cai trong tu ''nha trang ''
Bai 1 : Viet tap hop A cac so tu nhien lon hon 4 va ko vuot qua 7 bang hai cach .a ) Viet tap hop cac so tu nhien khac 0 va ko vuot qua 12 bang hai cach .b ) Viet tap hop M cac so tu nhien lon hon hoac bang 11 va ko vuot qua 20 bang hai cach .c ) Viet tap hop M cac so tu nhien lon hon 9 ,nho hon hoac bang 15 bang 2 cach .d ) Viet tap hop A cac so tu nhien ko vuot qua 30 bang 2 cach .e ) Viet tap hop B cac so tu nhien lon hon 5 bang 2 cach .f ) Viet tap hop C cac so tu nhien lon hon hoac bang 18...
Đọc tiếp
Bai 1 : Viet tap hop A cac so tu nhien lon hon 4 va ko vuot qua 7 bang hai cach .
a ) Viet tap hop cac so tu nhien khac 0 va ko vuot qua 12 bang hai cach .
b ) Viet tap hop M cac so tu nhien lon hon hoac bang 11 va ko vuot qua 20 bang hai cach .
c ) Viet tap hop M cac so tu nhien lon hon 9 ,nho hon hoac bang 15 bang 2 cach .
d ) Viet tap hop A cac so tu nhien ko vuot qua 30 bang 2 cach .
e ) Viet tap hop B cac so tu nhien lon hon 5 bang 2 cach .
f ) Viet tap hop C cac so tu nhien lon hon hoac bang 18 va ko vuot qua 100 bang 2 cach .
Ai lam nhanh minh se tick cho nha ,minh can gap .
cho tap hop A la tap hop cac so tu nhien chan lon hon 20 va be hon 30 B la tap hop lon hon 2 va be hon 33 so phan tu thuoc tap hop C thuoc B ma khong thuoc A
Cho A la tap hop cac so tu nhien lon hon 50va nho hon 100.Viet tap hop A bg cach chi ra cac tinh chat dc trung cho cac phan tu cua no
cho B ={50;51;52...97;98;99 } .dung 1 trong cac ki hieu
thuoc;kg thuoc;bg; tap hop con de bieu dien moi quan he giua 2 tap hop A va B
b] Tap hop A co bao nhieu phan tu? tim tg tat ca cac so la phan tu cua tap hop A
Cho A la tap hop cac so tu nhien nho hon 7 va b la tap hop cac so tu nhien chan nho hon 8
hay viet tap hop a va b la cach liet ke cac phan tu
cho A la tap hop cac so tu nhien nho hon 10,
B la tap hop cac so chan,
N* la tap hop cac so tu nhien khac 0.
dung ki hieu tap hop con de the hien quan he cua moi tren voi tap hop N cac so tu nhien
viet cac tap hop sau bang cach liet ke phan tu va chi ra moi tap hop co bao nhieu phan tu .
a, tap hop A cac so tu nhien co 2 chu so trong do chu so hang chuc lon hon chu so hang don vi la 2 .
b, tap hop B cac so tu nhien co 3 chu so bang 3 .
viet cac tap hop sau theo 2 cach
A tap hop cac so tu nhien nho hon 7
B TAP HOP CAC SO TU NHIEN CHAN
C tap hop cac so tu nhien le va nho hon 20
tap hop C gom cac so tu nhien chia het cho 3 va nho hon 20, lon hon 10 (viet bang 2 cach)