tong 2 so la 454 va neu viet them chu so 4 vao ben trai so thu 2 thi duoc so thu nhat . tim 2 so do
tim hai do co tong la 454 va neu them chu 4 vao ben trai so thu hai thi duoc so thu nhat
tim so thu nhat
tim so thu hai
Tong hai so la 130.Neu viet them chu so 1 vao ben trai so thu nhat [co hai chu so ] thi duoc so thu hai. Tim hai so do
Tong 2 so la 231. Neu viet them chu so 0 vao ben phai so thu nhat thi duoc so thu 2 . Tim 2 so do.
Tim mot so co ba chu so ,biet rang neu viet them chu so 2 vao ben trai so do thi duoc so moi ma tong cua so moi va so phai tim la 2254.
cho hai so co 2 chu so sao cho tong cua hai so do bang 78. neu ta dem so be ghep vao ben phai hoac ben trai so lon thi deu duoc so 4 chu so va hieu cua hai so co 4 chu so do la 594. tim 2 so
1.Hai so co tong bang 454 va neu them chu so 4 vao ben tra so thu hai thi duoc so thu nhat.Tim hai so do
2.Mot xe o to cho hai chuyen muoi , chuyen dau cho 3ta 56kg muoi , chuyen sau cho duoc nhien hon chuyen dau 3 yen muoi .Hoi trung binh moi chuyen o to cho bao nhieu ki-lo-gam?
3.Mot kho luong thuc nhap thoc trong hai dot duoc tat ca 12632 ta thoc .Neu dot thu nhat nhat them 370 ta thi so thoc dot 1 nhap ve nhieu honso thoc dot hai la 246 ta .tinh so thoc trong moi dot
4.Nam nam truoc day me hon con 24 tuoi tuoi .Hien nay , tong so tuoi cua hai me con la 46 tuoi .Tinh tuoi moi nguoi hien nay.
5.Hai so co hieu bang 155.Neu lay so thu nhat cong so thu hai va cong them tong cua chung thi duoc ket qua la 2010.Tim hai so do
Tong cua hai so la 130 .Neu viet them chu so 2 ao ben trai so thu nhat thi duoc so thu hai .Tim hai so do
cho 1 so co 2 chu so neu viet them chu so 2 vao ben trai so do thi duoc so moi Tong cua so moi va so do cho la 318 Tim 2 so