Các câu hỏi tương tự
Biet 1^2+2^2+3^2+..+10^2=385
Hay tinh tong cua S=100^+200^2+300^2+..+1000^2
lam co loi giai nhe
tim a b c thuoc Z biet
a . b = 2
b . c = -3
a . c = -6
ai nhanh minh tick nhe giup minh giai loi giai luon nhe
p/s mình hk tick trước đâu
x^100=x^48 tim x thuoc n cac ban nho ghi luon ca loi giai nhe
101+100+99+...+2+1 phan 101-100+99-98+...+3-2+1
nhanh vao nha
loi giai ca bai
ca loi giai co ma
X-2=-7-13
moi nguoi giup minh nhe va ket ban voi minh luon ai ma tra loi nhanh nhat minh se bam tick
1/2x1+1/3x(1+2)+1/4x(1+2+3)+...+1/100x(1+2+3+...+99+100)
Giup minh voi
M=2+2^3+2^4+2^5+2^6+2^7+...+2^98+2^99+2^100 co chia het cho 14 khong
giai ra giup luon nhe cam on
cho H = 1+2+3+4+........+1000
so sanh H va 9.2^98
ai tra loi nhanh 2 tick
viet ca loi giai ban nhe
Ban nao gioi toan giup minh bai vua dang di minh tao hai cau hoi minh se like cho ban tra loi duoc 2 like luon