cac ban oi , ai kb voi nk mat tim moi do cua mk roi thi xoa di nha , co nguoi hack nk cua mk roi 

ban duc rat hieu hoc, la hoc sinh gioi, lai chan ngoan nhung ban rat ngai khi tham gia cac hoat dong do nha truong, doan, doi to chuc, ko may khi van dong choi, vi so mat thoi gian hoc tap, ban ko thich quan tam den ai, chung chang can thiet moi viec xay ra xung quanh minh. chi can lo cho ban than minh hoc tot la du. duc suot ngay nhu con mpt sach, voc dang nhu ong cu non, nhin ai duc cung ai ngai

tho em cach song cua Duc co cho nao can dieu chinh

Trong buoi hop mat cua cac ban hoc sinh gioi toan khoi 3 cua truong hoang dieu,moi ban nu da tro truyen voi 3 ban nam va moi ban nam da tro truyen voi 4 ban nu hoi buoi hop mat nay co bao nhieu hoc sinh tham du ? biet rang hom do co 40 hoc sinh nu tham du

Mot nguoi nuoi ong thu hoach duoc 40l mat ong.Nguoi do muon do so mat ong do vao cac chai, moi chai chua 0,72l mat ong.Hoi can co it nhat bao nhieu vo chai de chua het so mat ong do?

trong cung mot nam, mat do dan so o tinh a la 2627 nguoi/kmvuong ,(nghia lacumoi kmvuong co trung binh 2627 nguoi cu tru ),mat do dan so o tinh b la 61 nguoi/kmvuong

a)cho biet S cua tinh a la 921 kmvuong,S cua tinh b la 14210 km vuông.hoi so dan cua tinh b bang bao nheu phaqn tram so dan cua tinh a

b)neu muot tang mat do dan so cua tinh b le 100 km vuong thi so dan cua tinh b phai tang them bao nhieu nguoi

 chu y ;cac ban dung may tinh bo tui nhe

co giao xep cac ban trong lop vao cac ban hoc moi ban 2 ban thi thua 1 ban.co giao de ban do ngoi rieng 1 minh vao ban cuoi cung. nhu vay cac ban da ngoi het vao 12 ban hoc cua lop .vay lop do co so ban la bao nhieu

Nguoi ta xep 100HLP nho canh 1cm thanh 1 HLP lon . Hoir neu dem son 4 mat cua HLP lon thi co bn HLP nho khong son  mat nao ?

Ai nhanh minh tick cho OK nhe minh can gap lam nho cac ban do