co ai giai gup toi bai toan nay voi kho qua
co ai giai gup toi bai toan nay voi kho qua
tim so co 5 chu so .biet rang so do co rang abcba voi c/2 <a <c va tong cac chu so do bang bb
tim so co 5 chu so biet rang so do co rang abcba voi c / 2 <a<c va tong cac chu so do bang bb
tim so co 5 chu so .biet rang so do co rang abcba voi c/2 < a < c va tong cac chu so bang bb
tim so co 2 chu so biet rang neu lay tong cac chu so cong voi tich cac chu so cua so do thi bang chinh no.
cho ba chu so a,b,c voi 0<a<b<c
a) viet tap hop A cac so co 3 chu so, moi so gom ca ba chu so tren
b) biet rang tong 2 so nho nhat trong tap hop A bang 499.tim tong cac chu so a+b+c
tim so co ba chu so ma tong cac chu so la 180 biet rang 3lan so a bang 2 lan so b 5 lan so bbang 3 lan so c
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
tim so chinh phuong n co ba chu so biet rang n chia het cho 5 va neu nhan n voi 2 thi tong cac chu so cua no khong doi
Tim so chinh phuong n co 3 chu so ,biet rang n chia het cho 5 va neu nhan n voi 2 thi tong cac chu so cua no khong doi