viet tap hop A duoi dang liet ke cac phan tu
A={ x e N*/ x nho hon hoac bang 34}
roi viet cac tap hop con cua tap hop A
viet tap hop A duoi dang liet ke cac phan tu
A= { x e N*/ xnho hon hoac bang 34}
A={1;2;3;4;5;6;7;8;9;10;11;12;13;14;15;16;17;18;19;20;21;22;23;24;25;26;27;28;29;30;31;32;33;34}
A={x thuoc N /7nho hon hoac bang x nho hon hoac bang 50, x chia het cho 7
a, viet tap hop A bang cach liet ke cac phan tu
b, tim sophan tu cua tap hop tren
a) A={ 14,21,28,35,42,49}
b) Tập hợp A có 22 phần tử
Tick nha pham thuy phuong
cho tập hợp A={x thuộc N /2<x<7}
viet tap hop A duoi dang liet ke
viet tat ca cac tap hop con cua tap hop A co chua 2 phan tu
Cho tap hop A = X E N*/ 3,x < 15
a) Viet tap hop A bang cach liet ke cac phan tu tap hop
b) Viet tap hop con co 1 phan tu cua tap hop A
A=(4;5;6;7;8;9;11;12;13;14)
M=(9;15;17;18;11)
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
viet cac tap hop sau = cach chi ra tinh chat dac trung cho cac phan tu cua tap hop ?
a, tap hop X cac so tu nhien lon hon 0 va nho hon hoac bang 10 ?
b, tap hop Y cac so tu nhien co 2 chu so ?
c, tap hop M cac so tu nhien16 ; 25 ; 36 ; 49 ; 64 ; 81 ?
a: X={x∈N|0<x<=10}
b: Y={x∈N|10<=x<=99}
c: M={y∈N| 4<=x<=9 và y=x2}
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 ''
nguyen dan tam sai rồi. tại sao lại có 2 chữ " n"
cho tap hop A cac so tu nhien co 2 chu so , biet chu so hang don vi gap doi chu so hang chuc
a, hay liet ke cac phan tu cua tap hop A
b, viet tat ca cac tap hop con cua A co 2 phan tu
c, viet tat ca cac tap hop con cua A cp 3 phan tu
a, A={21;42;63;84}
b, {21;42} ; {21;63} ; {21;84}
{42;63} ; {42;84}
{63;84}
c, {21;42;63} ; {21;42;84} ; {21;63;84}
{42;63;84}
Viet tap hop A cac so tu nhien nho hon 40 la boi cua 6.
Viet tap hop B cac so tu nhien nho hon 40 la boi cua 9.
Goi M la giao cua hai tap hop A va B.
a) Viet cac phan tu cua tap hop M.
b) Dung ki hieu tap hop con de the hien quan he giua tap hop M voi moi tap hop A va B.
A={0,6,12,18,24,30,36}
B={0,9,18,27,36}
A\(\cap\)B={M}
a)M={0,18,36}
b)M\(\subset\)A
M\(\subset\)B
\(A=\left\{0;6;12;18;24;30;36\right\}\)
\(B=\left\{0;9;18;27;36\right\}\)
\(\Rightarrow M=\left\{0;18;36\right\}\)
\(M\subset A\)
\(M\subset B\)