Các câu hỏi tương tự
tim so co 3 chu so,biet rang khi viet them chu so 1 vao ben trai so do thi duoc so co 4 chu so gap 9 lan so phai tim
tìm số có 4 chu so biet rang khi viet so 5 vao ben phai ta duoc so lon gap 5 lan so vua nhan duoc khi ta viet them chu so mot vao ben trai so phai tim
Tìm so co hai chu so biet rang neu ta viet them chu so 2 vao ben trai va ben phai so do ta duoc so moi gap 36 lan so phai tim.
1.tim 1 so biet neu viet them vao ben phai so do co 1 chu so 6 thi ta duoc 1 so moi hon so da cho la 888 don vi
2.cho 1 so co 2 chu so biet neu viet them 1 chu so n vao ca dang truoc va dang sau so do thi ta duoc 1 so moi co 4 chu so . So moi gap 21 lan so da cho . Tim so da cho va so n viet them
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 mot so co ba chu so ,biet rang neu viet them chu so 2 vao ben trai so do thi duoc so moi ma tong cua so moi va so phai tim la 2254.
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
Tìm so tu nhien co 3 chu so biet neu viet them chu so 3 vao ben trai so do thi duoc so moi ma tong so moi phai tim la 46907
tim mot so co hai chu so, biet rang khi viet them so 4 vao ben trai so do , ta duoc mot so gap chin lan so phai tim