Các câu hỏi tương tự
Tim mot so co hai chu so biet rang khi viet them so 21 vao ben trai so do ta duoc mot so lon gap 31 lan so can tim
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 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 .
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
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 ba chu so ) bang 5 lan so phai tim
tim mot so co ba chu so biet rang neu viet them 1 vao ben trai so do thi duoc mot so gap 9 lan so phan tim.
tim mot so co 3 chu so biet rang khi viet them chu so 2 vao ben trai so do thi so moi gap so phai tim 9 lan
tim mot so tu nhien co 2 chu so biet rang neu viet them mot chu so 5 vao ben trai so do thi duoc so moi lon gap 26 lan so ban dau
tim so co 3chu so biet rang khi viet them chu so 3 vao ben trai so do ta duoc so moi gap 5 lan so phai tim