Các câu hỏi tương tự
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
tap hop a cac so tu nhien co 2 chu so trong do chu so hang chuc lon hon chu sio hang don vi la 2
tap hop f cac so tu nhien co hai chu so trong do chu so hang don vi lon hon chu so hang chuc la 3
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 tap hop cac so tu nhien co hai chu so,trong do:
a,chu so hang don vi lon hon chu so hang chuc 4 don vi
b,chu so hang don vi gap 3 lan chu so hang chuc
c,chu so hang don vi nho hon chu so hang chuc va tong hai chu so =17
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?
Q la tap hop so tu nhien co 2 chu so ma trong moi so chu so hang chuc lon hon chu so hang don vi la 2 . tinh so phan tu cua tap hop Q
Goi M la tap hop cac so tu nhien co 2 chu so ma chu so hang chuc be hon
chu so hang don vi la S .Phan tu lon nhat cua F.