Các câu hỏi tương tự
tim hai so co 2 chu so biet rang tong cua hai so do la 98 neu gep so lon vao ben trai va ben phai cua so be deu duoc cac so co 4 chu so ma hieu cua chung bang 1386 tim hai so do
Tong cua 2 so bang 336. Neu ta xoa chu so 3 o ben trai so lon thi duoc so be. Tim 2 so do
cho so co 2 chu so neu ta viet them vao ben phai hoac ben trai chinh so do thi ta duoc so moi va tong cua so moi voi so da cho bang 2754 tim so da cho
khi viet them vao ben phai va ben trai so co 2 chu so moi ben 1 chu so 5 thi ta duoc so moi va tong cua so moi va so phai tim bang 5544 tim so da cho
cho hai so tu nhien co trung binh cong cua hai so tu nhien bang 1485 va biet neu viet them chu so 1 vao ben trai so be ta duoc so lon . tim so be
tim mot so co ba chu so biet rang neu viet them chu so 5 vao ben trai so do thi ta duoc so moi ma tong cua so moi va so da cho bang 5472. so phai tim la......
Cho so chan co 4 chu so ma tong cac chu so cua no bang 24 . Neu viet so do theo thu tu nguoc lai thi van duoc so da cho . Hay tim so da cho , biet rang nhom 2 chu so ben trai lon hon nhom 2 chu so ben phai la 36 don vi .
tim hai so co tong la 32 .neu lay so lon ghep vao ben phai so be ta duoc mot so co 4 chu so.neu ghep so lon vao ben trai so be ta
co tong cua hai so vua ghep la 1884
tim 3 so thap phan A,B va C co tong la 200,4921.Neu chuyen dau phay cua so A sang ben trai 2 chu so thi duoc so B, neu chuyen dau phay cua so A sang ben phai mot hang thi duoc so C.