Các câu hỏi tương tự
tim tap hop cac so co hai chu so la binh phuong cua 1 so nguyen to
phan tich cac so sau ra thua so nguyen to roi tim tap hop cac uoc cua moi so .neu cach tim tap hop cac uoc moi so
51 ; 75 ; 42 ; 30
phan tich cac so sau ra thua so nguyen to roi tim tap hop cac uoc cua moi so .neu cach tim tap hop cac uoc moi so
51 ; 75 ; 42 ; 30
tim giao cua 2 tap hop A va B biet rang:
a , A la tap hop cac so chia het cho 24 , B la tap hop cac so chia het cho 120
b, A la tap hop cac so chan, B la tap hop cac so nguyen to
1. tim ket qua cua phep nhan.A 33...3 * 99...9 --------- ---------- 100so3 100so92.cho tap hop cac so tu nhien khong vuot qua 100 chia co 7 du 3a, hay viet tap hop A 2 cachb, tinh tong cac phan tu cu Ac, tinh so chu so dung de viet cac tap hop A3. nguoi ta danh so trang cua mot quyen sach day so 1;2;3........quyen sach day 300 trang.hoia, tinh so chu so dung de danh so trang sachb, chu so 659 thuoc trang nao va chu so may
Đọc tiếp
1. tim ket qua cua phep nhan.
A = 33...3 * 99...9
--------- ----------
100so3 100so9
2.cho tap hop cac so tu nhien khong vuot qua 100 chia co 7 du 3
a, hay viet tap hop A = 2 cach
b, tinh tong cac phan tu cu A
c, tinh so chu so dung de viet cac tap hop A
3. nguoi ta danh so trang cua mot quyen sach = day so 1;2;3........quyen sach day 300 trang.hoi
a, tinh so chu so dung de danh so trang sach
b, chu so 659 thuoc trang nao va chu so may
phan tich cac so sau ra thua so nguyen to roi tim tap hop cac uoc cua moi so do 78;70
3)tim hai so tu nhien lien tiep co tich bang 1190
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?
tim giao cua tap hop C cac so chan va tap hop L cac so le
Tim tap hop cac so nguyen x sao cho-6<x5 hay tinh tong cac so nguyen trong tap hop do