BAI5 VIET SO LON NHAT CO BON CHU SO MA TONG CAC CHU SO BANG 9, HIEU CHU SO HANG DON VI VA HANG NGHIN LA 5
BAI 5 VIET CAC SO CO 4 CHU SO, BIET MO SO DUNG SAU HON CHU SO DUNG TRUOC 2 DON VI(VI DU :1357)VA SAP SAP CHUNG THEO THU TU TANG DAN.
tim 1 so tu nhien co 2 chu so biet khi viet themchu so 3 vao dang sau so do thi duoc so lon hon so khi viet themchu so 3 vao dang truoc so do 36 don vi
tim so co bon chu so;biet rang khi viet them chu so 2 vao ben phai so do thi duoc so moi co nam chu so hon so phai tim 11306 don vi
tim so tu nhien co 4 chu so khac nhau lon hon 3142 ma co tong cac chu so bang 6 va chu so hang chuc be hon chu so hang don vi
hay viet tat ca cac so co 3 chu so .Co chu so hang tram hon chu so hang chucla 2 va bang nua chu so hang don vi
Khi viet 5 vao ben trai mot so co 4 chu so thi duoc so moi hon so cu bao nhieu don vi?
khi viet them chu so 8 vao ben phai mot so tu nhien ta duoc so moi hon so cu332 don vi .Tim so tu nhien luc dau
Khi viet them chu so tham vao ben phai mot so tu nhien ta duoc so moi hon so cu 332 don vi. Tim so tu nhien luc dau.
tim mot so biet rang khi viet them chu so 6 vao ben phai so do ta duoc so moi hon so cu la 2562 don vi