em hay tim so co ba chu so ma hieu cua chu so hang tram va chu so hang chuc la 0 con hieu cua chu so hang chuc va chu so hang don vi bang 9
Tim so co 3 chu so biet hieu cua chu so hang tram va hang don vi bang o,hieu cua chu so hang chuc va don vi bang 8
co bao nhieu so co 3 chu so khac nhau ma tong cac chu so hang tram va hang chuc bang 5
Tim so co ba chu soma hieu cua chu so hang tram va chu so hang chuc bang 0 con hieu cus chu so hang don vi bang 8
So be nhat co 3 chu so khac nhau ma, thuong cua phep chia chu so hang tram cho chu so hang chuc bang thuong cua phep chia chu so hang chuc cho chu so hang don vi...............
so be nhat co ba chu so khac nhau ma thuong cua chu so hang tram voi chu so hang chuc bang thuong cua chu so hang chuc voi hang don vi
1/ tinh : 1 giờ : 3= ...phút?
2/ lop 2a co 4 ban; lop 2b co 5 ban du thi violypic cap thanh pho . Cac ban cua hai lop bat tay chuc mung nhau moi khi di moi nguoi mot lan. Hoi co tat ca bao nhieu cai bat tay?Biết rằng các bạn trong cùng lớp ko bat tay nhau.
3/ so be nhat co 3 chu so khac nhau cua phep chia chu so hang tram cho chu so hang chuc bang thuong cua phep chia chu so hang chuc cho hang don vi la so.......
4/ cho day so :0,1,2,3,6,11,...So thich hop tiep theo cua day so do la:...
5/ so lon nhat co 3 chu so khac nhau ma tong cac chu so cua so do bang 21la:....
so 95 co hieu cua chu so hang chuc va chu so hang don vi la
tim so be nhat co hai chu so ma tich va thuong cua chu so hang don vi voi chu so hang chuc bang deu bang 3