Các câu hỏi tương tự
tim hai so biet tong cua chung la 3.neu tang sp thu nhat gap 3 lan va giam so thu hai di hai lan thi tong cua so thu nhat va so thu hai la 39
tim hai so biet so thu nhat gap ba lan so thu hai va hieu hai so bang 26
Giai toan bang cach lap phuong trinh :
So lua o kho thu nhat gap doi so lua o kho thu hai . Neu bot o kho thu nhat di 750 ta va them vao thu hai 350 ta thi so lua o 2 kho se bang nhau . Tinh xem luc dau moi kho co bao nhieu lua.
tim 3 so tu nhien lien tiep,biet tich cua 2 so sau lon hon tich cua 2 so dau la 25
tim 3 so tu nhien chan lien tiep,bieu neu ta lay binh phuongcua so o giua tru di tichcua so lon nhat va so be nhat thi ket qua thu dc dung bang 1/3n cua so be nhat
tim so co 5 chu so biet so do bang binh phuong cua tong cac chu so cua so do
tim hai so tu nhien co hai chu so biet tong hai chu so do bang 10 va neu viet theo thu tu nguoc lai thu duoc so moi kem so phai tim 54 don vi
biet x,y,m,n la cac so nguyen thoa man: x+y=m+n. chung minh S=x^2+y^2+m^2+n^2 luon =bang cac binh phuong cua 3 so nguyen
tim mot so biet rang binh phuong cua so do bang bon lan lap phuong cua so do
tong 3 so nguyen to bang 894. so nguyen to nho nhat trong ba so nguyen to tren la so nao