co so phan tu la:(-100)-(-125):1=26(phan tu)
co so phan tu la:(-100)-(-125):1=26(phan tu)
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 tap hop A gom cac phan tu la cac so nguyen co gia tri tuyet do nho hon 2014 . tap hop A co bao nhieu phan tu. tinh tong cac phan tu cua Tap hop A
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 .
Tap hop cac so nguyen am lon hon -100 co so phan tu la
tap hop cac so nguyen to co 2 chu so lon hon 51 co so phan tu la
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
tap hop các so nguyen am co ba chu so nho hon -100 co phan tu la
cho A la tap hop cac so tu nhien trong do co chua chu so 0 va B la tap hop cac so tu nhien co dang a0b . Tap hop C gom cac phan tu vua thuoc A, vua thuoc B. Tap hop C co bao nhieu phan tu?
CHO G LA TAP HOP CAC SO TU NHIEN CO HAI CHU SO HANG CHUC HON CHU SO HANG DON VI LA 6 SO PHAN TU CUA G LA BAO NHIEU .......
CÁM ON CAC BAN NHIEU NHÉ