cho Fla tap hop cac so tu nhien co 2 chu so ma chu so hang chuc nho hon hang don vi la 5 . hoi tap hop Fco bao nhieu phan tu

cho h la tap hop cac so tu nhien co hai chu so ma chu so hang chuc gap 3 lan chu so hang don vi phan tu nho nhat cua tap hop h la

cho G la tap hop cac so tu nhien co 2 chu so ma chu so hang chuc nho hon chu so hang don vi la 6. Số phần tử của tập hợp G

Viet tap hop cac so tu nhien co hai chu so,trong do:

a) Chu so hang chuc nho hon chu so hang don vi la 5

b) Chu so hang chuc gap 4 lan chu so hang don vi

c) Chu so hang chuc nho hon chu so hang don vi, tong hai chu so bang 14

Câu 1:so phan tu cua tap hop cac so tu nhien chan lon hon 3 va nho hon 2000

Câu 2:so phan tu cua tap hop cac so tu nhien chan khong vuot qua 30 la

Câu 3 co bao nhieu so tu nhien co hai chu so trong do chu so hang chuc nho hon  chu so hang don vi la 5 ?

Câu 4:so phan tu cua tap hop cac so tu nhien khong vuot qua 20 la

Câu 5:cho tap hop M={5;8;9;1986;2010}co bao nhieu tap hop con cua M gpm nhung so chan?

viet bang cah liet ke cac phan tu cua cac tap hop sau:

a) tap hop A cac so tu nhien co 2chu so ma chu so hang chuc lon hon chu so 3 

b) tap hop B cac so tu nhien co 2 chu so ma chu so hang don vi gap doi hang chuc 

c) tap hop C cac so tu nhien co 2 chu so ma trong so do co it nhat 1 chu so 4 

cho B la tap hop cac so co 2 chu so, trong do chu so hang chuc nho hon chu so hang don vi la 5. tap hop B co so phan tu?

cho G la tap hop cac stn co 2 chu so ma chu so hang chuc lon hon chu so hang don vi la 6 so phan tu cua tap hop nay la

cho h tap hop cac so tu nhien co 2 chu so ma chu so hang chuc gap 3 aln chu so hang don vi . Phan tu nho nhat cua tap hop h