co the khang dinh tap hop Z bao gom hai bo phan la cac so nguyen duong va cac so nguyen am duoc khong ? tai sao ?
Co the khang dinh rang tap hop Z bao gom hai bo phan do la cac so nuyen am va cac so nguyen duong duoc khong? Vi sao?
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
1)Viet tap hop B gom can so la tich cua dung 3 so Nguyen to co 1 chu so
2) Viet tap hop A gom cac so chan co 4 chu so va co tich cac chu so bang 10
tap hop cac so tu nhien gom cac so nguyen duong va so
tap hop cac so nguyen am co 3 chu so be hon -125 co so phan tu la bao nhieu
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?
Tap hop cac so nguyen am lon hon -100 co so phan tu la