Các câu hỏi tương tự
cach lam bai : chung to rang moi phan so co dang n+2015/n+2016 ( voi n thuoc N ) deu la phan so toi gian
1.Cho A=1/2!+2/3!+3/4!+...+2015/2016!
Chung minh :A<1
2.Cho A=8n+193/4n+3
Tim so tu nhien n de A la phan so toi gian
Cac ban nho viet ca cach lam nua
Ko can lam het dau,biet lam cau nao thi lam
cho A=n-5/n+1 n thuoc z va n khac -1
a, tim n deA co gia tri ngyen
b, tim n de A la phan so toi gian
minh can gap cac ban lam mau len!!!!!!!!!!!!!!!!!!!!!!!!!
cho hai so nguyen duong co ti so la 7:3 va tich cua chung la 21. Hai so do co tong binh phuong la......
Co cach lam cu the nha!!! minh se cho 1 tick!! mau len nhe!!!! minh dang gap!!!
Chung to rang phan so sau toi gian voi moi n thuộc N
2n+1/2n(n+1)
Lam on do ai lam dc minh cho 6 tich
tim so tu nhien n de phan so 6n+99:3n+4
a) co gia tri la so tu nhien
b) la phan so toi gian
giup mik nha ai dau tien dug mik se tik ngay ;)
Chung minh rang moi phan so dang n+1/2n+3 ( n thuoc N ) deu la phan so toi gian.
Chứng minh rang phan so sau toi gian voi moi n thuộc N
2n+1/2n(n+1)
Lam dung va nhanh nht minh cho 3 tick
Lam dung va nhanh nhi mink cho 2 tich
......................... .......ba mình k cho 1 tick
Cho goc bet xOy , ve tia Oz sao cho goc xOz bang 120 do. Goi Om,On lan luot la tia phan giac cua cac goc xOz va yOz.
a) Oz co phai la ta phan giac cua goc yOm khong?
b) tinh goc mOn
Ai lam duoc minh se tick cho , vi bay gio minh cung dang can gap lam!