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tim mot so tu nhien biet rang neu them chu so 0 vao tan cung ben phai so do thi duoc so moi ma tong cua so moi va so phai tim la 143
tong cua hai so la 15576 .tim hai so do biet rang neu viet them chu so 0 vao ben phai so be thi duoc so lon?
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......
tim 1 so tu nhien,biet rang neu viet them chu so 0 vao tan cung ben phai so do thi duoc so moi ma tong cua so moi va so phai tim la 1463
tong cua hai so la 15576 . tim hai so do biet rang neu viet them chu so 0 vao ben phai so be ta duoc so lon . tim so be ; so lon
Cho 1so biet rang neu viet them vao ben phai so do 1chu so thi duoc so moi tong so moi va so phai tim la 467.tim so viet them va so phai tim
tong cua hai so la 155.6 tim hai so do biet dang neu viet them chu so 0 vao ben phai so be thi duoc so lon
tong cua hai so la 12 neu them chu so 3 vao ben phai cua 1 so thi tong moi la 51 tim hai so do (nho ghi cach giai ro rang ra nhe)
tim mot so tu nhien co 2 chu so biet rang neu them chu so 0 vao ben phai va 1 chu so 1 vao ben trai so do thi ta duoc so moi la 50 so do la