Số bé nhất Có hai chu số 3 va 4 la so 34
Số lon nhat co hai chu so 4 va 5 la so 54
Tong cua 34+54=88
k!!!
Số bé nhất Có hai chu số 3 va 4 la so 34
Số lon nhat co hai chu so 4 va 5 la so 54
Tong cua 34+54=88
k!!!
Tong cua 2 so la so lon nhat co hai chu so. So hang thu nhat la so chan lon nhat co 1 chu so. Tim so hang kia
Tong cua 2 so la so be nhat co ba chu so,so hang thu nhat la 57.Vay so hang thu hai la?
tong cua 2 chu so la so be nhat co 2 chu so ma hieu 2 chu so do bang 7 . so hang thu 2 la 9. tim so hang thu 1
tong hai so bang 45, so hang thu nhat la so lien sau so be nhat co hai chu so. tim so hang thu hai
tong cu hai so la
so chan tron lon nhat . neu co them vao so hang thu nhat la so le co mot chu so lon nhat thi tong bang bao nhieu
so ne nhat co 2 chu so va chu so hang chuc be hon chu so hang don vi la 3
Tong cua hai so la so co hai chu so giong nhau ma chu so hang chuc la 7,so hang thu nhat la 9.Vay so hang thu hai la
tong cua hai so la so be nhatco 3 chu so.so hang thu nhat la 85 tim so hang thu hai
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:....