tim 1 so tu nhien co 2 chu so biet neu viet them chu so 0 vao giua hai chu so cua so do ta duoc so moi bang 7 lan so phai tim
TIM MOT SO TU NHIEN CO HAI CHU SO,NEU BIET,NEU VIET THEM CHU SO 0 VAO BEN PHAI SO PHAI TIM VA MOT CHU SO 1 CHU SO1 VAO BEN TRAI SO DO THI TA DUOC MOT SÔMI BANG50 LAN SO PHAI TIM
tim so co hai chu so biet rang neu ta viet them chu so 1 vao giua hai chu so cua so do ta duoc so moi gap 9 lan so phai tim
tim mot so tu nhien co hai chu so biet neu viet them mot chu so 0 vao ben phai va mot chu so 1 vao ben trai so do thi ta duoc so moi bang 50 la so phai tim
tim so co hai chu so biet rang neu ta viet them chu so 1 vao giua 2 chu so cua so do ta duoc so moi gap 9 lan so phai tim
tim mot so tu nhien co 2 chu so, biet rang neu ta viet them chu so 0 vao giua chu so hang chuc va chu so hang don vi cua so do ta duoc so moi gap 7 lan so ban dau
tim 1 so tu nhien co2 chu so. biet neu viet them 1 chu so 0 vao ben phai va viet them 1 chu so1 vao ben trai so do thi ta duoc mot so moi bang 50 lan so phai tim.
Tim 1 so tu nhien co hai chu so, biet rang neu viet them 1 chu so 0 vao giua chu so hang chuc va hang don vi cua so do thi ta duoc1 so gap 7 lan so do.
tim mot so tu nhien co hgaichu so biet,neu viet them mot chu so 0 vao ben phai va mot chu so 1 vao ben trai so do thi ta duoc mot so moi bang 50 lan so phai tim