tim mot so tu nhien co 3 chu so biet rang neu viet them chu so 7 vao ben phai so do thi duoc so moi hon so phai tim la 1222 don vi
tim mot so co hai chu so biet rang neu viet them chu do 6 vao ben phai so do ta duoc so moi hon so phai tim la 132 don vi
tim so co 4 chu so, biet rang khi viet them chu so 5vao ben phai so do ta duoc so lon gap 5 lan so nhan duoc khi ta viet them chu so 1 vao ben trai so do
tim mot so co hai chu so biet rang khi viet them chu so 5 vao ben phai so do ta duoc so moi ho so cu la 230 don vi
tim so co ba chu so biet rang neu viet them chu so 1 vao ben phai so do thi ta duoc mot so gap 3 lan so co duoc bang cach viet them chu so 2 vao ben trai so do
tim 1 so co 2 chu so biet rang khi viet them chu so 5 vao ben phai so do ta duoc so lon hon so phai tim 230 don vi.GIAI DIEN GIAI NHA
Tim môt sô co 4 chu so biet rang neu viet them chu so 6 vao ben phai so do thi duoc so moi lon hon so phai tim 1 7 6 1 don vi
Tim mot so co 2 chu so, biet rang khi viet them chu so 5vao ben phai so do ta duoc so moi hon so phai tim la 788 don vi .
Tim mot so tu nhien co 5 chu so , biet rang neu viet them 2 chu so vao ben phai so do thi duoc so lon gap 3 lan so viet them chu so 2 vao ben trai so do .