Viet so co ba chu so, trong do chu so hang don vi nhan 2 duoc chu so hang chuc, chu so hang chuc nhan 2 thi duoc chu so hang tram
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...............
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 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 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
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
viet so co ba chu so biet chu so hang tram la 1 chu so hang chuc hon chu so hang tram 2 don vi nhung kem chu so hang don vi 3 don vi
co bao nhieu so tu nhien co hai chu so ma chu so hang chuc nho hon chu so 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:....