B1: Voi cung ca 4 chu so :9;6;3;2 co the viet tat ca bao nhieu chu so co 4 chu so

B2: Ban Gia mua 1 quyen sach day 678 trang.Ban Gia danh so trang tu 1 den 678.Hoi can viet bao nhieu chu cac chu so de danh het so trong quyen sach

B3:khi viet tat ca cac so tu nhien tu 1den 100 thi 

A,chu so 2 lap lai bao nhieu lan

B,chu so 3 lap lai bao nhieu lan

cac ban lam tung bai mot cung dc

cam on cac ban

B1: Voi cung ca 4 chu so :9;6;3;2 co the viet tat ca bao nhieu chu so co 4 chu so

B2: Ban Gia mua 1 quyen sach day 678 trang.Ban Gia danh so trang tu 1 den 678.Hoi can viet bao nhieu chu cac chu so de danh het so trong quyen sach

B3:khi viet tat ca cac so tu nhien tu 1den 100 thi 

A,chu so 2 lap lai bao nhieu lan

B,chu so 3 lap lai bao nhieu lan

cac ban lam tung bai mot cung dc

cam on cac ban

B1: Voi cung ca 4 chu so :9;6;3;2 co the viet tat ca bao nhieu chu so

B2: Ban Gia mua 1 quyen sach day 678 trang.Ban Gia danh so trang tu 1 den 678.Hoi can viet bao nhieu chu cac chu so de danh het so trong quyen sach

B3:khi viet tat ca cac so tu nhien tu 1den 100 thi 

A,chu so 2 lap lai bao nhieu lan

B,chu so 3 lap lai bao nhieu lan

cac ban lam tung bai mot cung dc

cam on cac ban

B1: Voi cung ca 4 chu so :9;6;3;2 co the viet tat ca bao nhieu chu so

B2: Ban Gia mua 1 quyen sach day 678 trang.Ban Gia danh so trang tu 1 den 678.Hoi can viet bao nhieu chu cac chu so de danh het so trong quyen sach

B3:khi viet tat ca cac so tu nhien tu 1den 100 thi 

A,chu so 2 lap lai bao nhieu lan

B,chu so 3 lap lai bao nhieu lan

cac ban lam tung bai mot cung dc

cam on cac ban

B1: Voi cung ca 4 chu so :9;6;3;2 co the viet tat ca bao nhieu chu so

B2: Ban Gia mua 1 quyen sach day 678 trang.Ban Gia danh so trang tu 1 den 678.Hoi can viet bao nhieu chu cac chu so de danh het so trong quyen sach

B3:khi viet tat ca cac so tu nhien tu 1den 100 thi 

A,chu so 2 lap lai bao nhieu lan

B,chu so 3 lap lai bao nhieu lan

cac ban lam tung bai mot cung dc

cam on cac ban

May bay truc thang ra doi nam nao ?

May bay truc thang ra doi nam abcd

Biet rang : a khong la so nguyen to, cung khong la hop so ;

                 b la so du trong phep chia 105 cho 12 ;

                 c la so nguyen to le nho nhat ;

                 d la trung binh cong cua b va c.

Tra loi gup minh nha. Minh can gap lam. Thanks nhieu