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Hay xac dinh tap hop sau bang cach chi ra tinh chat dac trung cua cac phan tu cua no.
A. Tap hop m la cac so tu nhien chia het cho 5 va be thua 30
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
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 ''
cho tap hop A ={10;13;17;20;25;31;41;58;61;70} 1)viet tap hop B gom cac phan tu cua tap hop A co chu so 1.Tap hop B co bao nhieu chu so 2) viet tap C gom cac phan tu cua tap hop A co chua chu so 3 3) bieu dien quan he giua cac tap hop A,B,C bang ki hieu
viet tap hop B cac so tu nhien y sao cho 2598<112.y<3416
bai 2
cho tap hop A={12;14;16}
a)viet tap hop A bang cach chi ra tinh chat dac trung
b)viet tat ca cac tap hop con cua tap hop A
c) chung to tap hop A la tap hop con cua B {0;2;4;.....;18;20} cho biet so tap hop con cua tap hop B
cho tap hop A gom cac so tu nhien be hon 13 va lon hon 20
a)chi ra bang 2 cach
b) tap hop B gom cac so tu nhien x chan 13<x<20.tap hop B la gi cua tap hopA ,ki hieu nhu the nao?
Viet tap hop A cac so chan tu nhien lien tiep lon hon 48 va khong vuot qua 178 bang cach chi ra tinh chat dac trung cho cac phan tu cua tap hop.Tinh so phan tu cua A.
nhanh gium nha minh can gap cam on nhieu
cho cac phan tu ; 5; 10; a ; x; y; 30
a,hay viet tat ca cac tap hop ttheo tinh chat dac trung
b, hay viet cac tap hop con cua cac tap hop tren
12 tháng 9 2018 lúc 13:28
Hay xac dinh tap hop sau bang cach chi ra tinh chat dac trung cua no :
a] A = { 1;7;13;19;25;37}
b] B= { 2;6;12;20;30}