Các câu hỏi tương tự
co bao nhieu so co dang ab thoa man ab+ba la mot so chinh phuong
neu co so tu nhien n sao cho k =n^2 thi ta noi so k la so chinh phuong tim tat ca cac so ab saocho (ab+ba) la so chinh phuong
tim so nguyen to ab co 2 chu so khac nhau sao cho ba cung la 1 so nguyen to va ab - ba la 1 so chinh phuong
mot so chinh phuong co chu so hang chuc la mot so le . tim chu so tan cung cua so chinh phuong do
so co dang 999999998000000001 la so chinh phuong khong ? Vi sao?
tim hai so nguyen to ab co 2 chu so khac nhau sao cho ba cung la so nguyen to va ab - ba la 1 so chinh phuong
Mot thung chua hang co dang hinh hop chu nhat chieu dai 234cm , chieu rong 216cm , chieu cao 144cm . Nguoi ta muon xep cac hop nho dang hinh lap phuong vao trong thung chua hang do sao cho cac hop xep khit theo ca chieu dai, chieu rong , chieu cao cua thung . Canh cac hinh lap phuong co do dai lon nhat la bao nhieu ? ( so do cac canh hinh lap phuong la mot so tu nhien voi don vi la cm)
tim số nguyen duong nho nhat thoa man mot phan 2 so do la so chinh phuong,mot phan 3 so do la luy thua bac 3 cua 1 so nguyen, mot phan 5 so do la luy thua bac 5 cua 1 so nguyen
co tat ca bao nhieu so tu nhien n de n+5/n co gia tri la so nguyen so so thoa man la