mot hoc sinh viet 1 2 3 4 5 6 7 1 2 3 4 5 6 7...va tiep tuc nhu vay de co mot day so so hang thu 2008 ma ban day viet la so nao
a) Phai nhan 23voi so nao de duoc ket qua la 232323 ?
b) phai nhan253 voi so nao de duoc ket qua la 253253
cho p/s 14/26 . hay tim 1 so nao do de khi nhan so do vao tu so va mau so cua p/s da cho thi duoc p/s moi co gia tri = p/s 6/9
hay viet them vao ben trai so 123 mot chu so va ben phai 2 chu so de nhan duoc so be nhat co 6 chu so khac nhau chia het cho 5,9
Ban hung viet day so le 1,3,5,7....de danh so trang 1 cuon sach .Tim xem chu so thu 200 ma hung viet la chu so nao
Ban mai viet cac so le 1,3,5,7...423
a)Ban mai can viet tat ca bao nhieu chu so
b) Biet moi chu so can viet mat 1 giay . Hoi ban mai can bao nhieu thoi gian de viet day so do?. Sau 6 phut ban mai viet den chu so nao
viet phan so 3/5 duoi dang phan so thap phan co mau so bang 10 va co mau so bang 100.
viet hai phan so thap phan moi tim duoc thanh hai so thap phan.
co the viet 3/5 thanh nhung so thap phan nao ?
bai 1 tim hai so khi biet hieu cua chung bang 8.7 va biet khi nhan so be voi 4 nhan so lon voi 3 thi duoc hai tich bang nhau
bai 2 trung binh cong cua hai so bang 189.6 tim so lon biet so lon hon so be 24.5 don vi
bai 3 tim 2 so biiet thuong cua chung bang 0.6 hieu cua chung bang 7.2
ai giai giup voi toi voi viet dap an ra nhe hoac guib ca bai giai nhe thi toi tick 100 cai luong luc nao gap toi cung tick chi can giain cho toi thoi nhe cam on cac ban
Hay viet them vao ben phai, ben traicua so 35 moi ben mot so de nhan duoc chu so chan lon nhat co 4 chu so khac nhau ma chia cho 3 du 2, chia 5 du3
