khi viet them chu so 2 vao ben trai 1so co 3 chu so thi duoc so moi hon so cu la bao nhieu don vi
cho so co 6 chu so.Neu viet them chu so 6 vao ben trai so da cho thi duoc so moi hon so cu bao nhieu don vi
KHI VIET CHU SO 5 VAO BEN TRAI MOT SO CO BON CHU SO THI DUOC SO MOI HON SO CU.......DON VI ?
khi viet them chu so 2 vao ben trai so co 3 chu so thi duoc so moi hon so do luc dau 20 don vi
tim so co bon chu so bietrang khi viet viet them chu so 5 vao ben phai so do thi duoc so moi hon so phai tim 18113 don vi
tim so tu nhien co 2 chu so neu viet them chu so 0 xen giua chu so hang chuc va hang don vi cua so do ta duoc so moi gap 10 lan so can tim . neu viet them chu so 1 vao ben trai so vua nhan duoc thi so do gap len 3 lan . so can tim
tim so tu nhien co 2 chu so ,biet rang neu viet them chu so 0 xen giua chu so hang chuc va hang don vi cua so do ta duoc so moi gap 10 lan so can tim .Neu viet them chu so 1 vao ben trai so vua nhan duoc thi so do gap len 3 lan.
Tim so tu nhien biet khi viet them chu so 5 vao ben phai ta duoc so moi hon so cu 2111 don vi .
tim so tu nhien co 4 chu so biet rang khi viet them chu so 7 vao ben phai so do thi duoc so co 5 chu so lon hon so phai tim11212 don vi