Tim so co 3 chu so biet rang neu viet them vao chu so 1 vao truoc so do thi duoc so moi gap 9 lan so ban dau .So can tim la
tim so tu nhien co 5 chu so biet rang neu viet them chu so 2 vao dang sau so do thi duoc so lon gap 3 lan so do co duoc bang cach viet them chu so 2 vao dang truoc so do
tim so tu nhien co 5 chu so biet rang neu viet them chu so 2 vao
dang sau so do thi duoc so lon gap 3 lan so co duoc bang cach
viet them chu so 2 vao dang truoc so do?
tim so tu nhien co 5 chu so biet rang neu viet them chu so 2 vao dang sau thi duoc so lon gap 3 lan so viet them so 2 vao truoc
tim so tu nhien co 5 chu so ,biet rang neu viet them chu so 7 dang truoc so do thi duoc so moi gap 5 lan ,so co duoc bang cach viet them chu so 7 vao dang sau so do
mot so tru nhien co bon chu so biet rang neu viet them so 2 vao ben trai viet them so 8 vao ben phai cua so do thi duoc mot so moi co sau chu so so moi nay chia cho so cu duoc thuong la 44 va du 4066 hay tinm so do
tim mot so tu nhien co 3 chu so biet rang neu viet them chu so 2 vao dang truoc thi duoc so lon hon so do 323 don vi khi viet them chu so 3 vao dang sau so do
B1.tim so tu nhien co hai chu so biet rang neu viet them chu so 4 vao truoc chu so hang chuc thi duoc so A neu viet them chu so 8 vao sau chu so hang don vi thi duoc so B trong do B gap doi A
B2.Viet tap hop c bang 5 so le lien tiep ma so le lon nhat la 63
TIM STN CO 2 CHU SO BIET NEU VIET THEM CHU SO 4 VAO TRUOC CHU SO HANG CHUC THI DUOC SO A NEU VIET THEM CHU CO 8 VAO SAU CHU SO HANG DON VI THI DUOC SO B TRONG DO B GAP DOI A