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 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 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 so co 3 chu so biet rang khi viet them chu so 7 vao ben phai so do ta duoc so be hon khi viet them chu so 7 vao ben trai la 5778 don vi

tim mot so biet rang neu viet them chu so 6 vao ben phai so do ta duoc so moi hon so phai tim 537 don vi so can tim la

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 so co 2 chu so biet rang neu viet them vao ben phai mot chu so ta duoc so moi lon hon so cu 626don vi

tim mot so co hai chu so biet rang neu viet them chu so 0 xen vao giua chu so hang chuc va hang don vi cua so do ta duoc so moi va neu viet them chu so hai vao ben trai so moi thi ta duoc mot so gap 6 lan so moi do

tim mot so co hai chu so biet rang neu viet them chu so 3 vao ben trai so do ta duoc so moi [co 3 chu so } = 5 lan so phai tim