Các câu hỏi tương tự
Tim so tu nhien x, biet rang tong cac chu so chua x bang y, tong cac chu so cua y bang z va x+y+z =60
tim so tu nhien biet tong cac chu so cua x=y,tong cac chu so cua y=z va x+y+z=60
Cau 1:
- 2-(9-36)
Cau 2: tim cac so tu nhien n sao cho (2n+9) chia het cho (n+1)
Cau3:goi x la tong cac chu so cua so a =32010+2011, goi y la tong cac chu so cua so x va goi z la tong cac chu so cu y . tim z
tim 1 so co 2 chu so . biet so do la lap phuong cua so tu nhien va tong cac chu so cua no bang binh phuong cua mot so tu nhien
hay chia cac tren mat dong ho lam 2 nhom nhom 1 gom cac so tu nhie lien tiep va nhom 2 gom cac so con lai sao cho :
a) tong cac so cua nhom 1 bang tong cac chu so cua nhom 2
b) tong cac chu so cua nhom 1 bang tong cac chu so cua nhom 2
c) tong cac chu so cua nhom 1 bang 1 nua tong cac chu so cua nhom 2
giup minh voi
cho 1 so tu nhien co 2 chu so . Biet rang tong cac so tu nhien lien tiep bat dau tu den so nay la 1 so ma 2 chu so tan cung cua no bang chinh so so co 2 chu so ban dau . tim so ban dau
trinh bay cach giai nhu the nao day cac ban giup minh voi
1.tim 2 so tu nhien co hieu bang 2002 va tich bang 2006.
2.cho 100 so tu nhien 1,2,3,4,....100.
co the chon duoc 71 so tu nhien sao cho tong cua chung bang tong cua 29 so con lai khong
3.mot so chan co 4 chu so , trong do so tao boi chu so hang tram va hang chuc gap 3 lan chu so hang nghin va gap 2 lan chu so hang don vi .
[CAC BAN GHI LOI GIAI GIUP MINH NHE MINH CAM ON]
Tim cac so tu nhien sao cho tong cua so do voi cac chu so cua no bang 2009
tim so co 2 chu so biet 3 lan so do bang binh phuong 1 tong cac chu so cua so do va bang 4 lan tong cac chu so do