Các câu hỏi tương tự
1. Tim tat ca cac so co 2 chu so sao cho moi so gap 2 lan tich cua no?
2. Tim so nguyen to co 3 chu so biet rang neu viet so do theo thu tu nguoc lai thi ta duc 1 so la lap phuong cua 1 so tu nhien?
3. Tim so tu nhien co 4 chu so biey chu so hang nghin bang chu so hang don vi chu so hang tram bang chu so hang chuc va so do viet duoc duoi dang tich cua 3 so nguyen to lien tiep?
tim 3 so nguyen to lien tiep sao cho tong cac binh phuong cua cac so so do la 1 so nguyen to
tim 3 so nguyen to lien tiep sao cho tong cac binh phuong cua no cung la so ngyen to da
phan tich cac so sau ra thua so nguyen to roi tim tap hop cac uoc cua moi so do 78;70
3)tim hai so tu nhien lien tiep co tich bang 1190
Tim hai so nguyen biet:
a,Tich cua chung bang 4747 vaf tong cua chung bang-148
b,Tich cua chung bang -7373 va tong cua chung bang 28
c,Tich cua chung bang 1261 va hieu cua chung bang -84
tim hai so nguyen sao cho tong cua chung va tich cua chung la hai so doi nhau
tim 2 so nguyen sao cho tich cua chung va tong cua chung la hai so doi nhau
tim tat ca cac so nguyen to sao cho tong binh phuong cua chung cung bang 1 so nuyen to
1) chung to rang tong cua 3 so nguyen lien tiep chia het cho 3
2) chung to rang tong cua 5 so nguyen lien tiep chia het cho 5