Đáp án A Nguyen thanh thuy
Đáp án A Nguyen thanh thuy
khi chia 1 so co bon chu so cho 5 cac so du co the co la
So cac so chan co 4 chu so chia het cho 9
tap hop cac so co 2 chu so khac nhau chia het cho 2 co so phan tu la
tim hieu cua so lon nhat co bon chu so va so be nhat co bon chu do ,biet rang tong cac chu so cua moi so do bang 15.
Co ba chu so abc khac nhau va khac 0. Lap cac so co 2 chu so .Tinh tong cac so co hai chu so da lap biet a+b+c=8
viet so co bon chu so ma tong cac chu so bang 3
Tim mot so neu lay so do tru di so lon nhat co bon chu so va co tong cac chu so bang 30 thi duoc so be nhat co 5 chu so
voi 4 chu so 6,3,5,0.Hay viet tat ca cac so chan co bon chu so khac nhau
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.