Các câu hỏi tương tự
ai giup minh voi
chung to rang 2 so n+1 va 3n+1{n thuoc N} la 2 so nguyen to cung nhau
minh dang can gap...................''''
Q= 1/2! + 2/3! + 3/4! +...+ n-1/n!
Chung minh rang Q<1
Cac ban oi giup minh voi. Thanks!
giup mik voi
Cho A= \(\frac{1}{1^2}\)+ \(\frac{1}{2^2}\)+\(\frac{1}{3^2}\)+\(\frac{1}{4^2}\)+ ....+ \(\frac{1}{2018^2}\)
Chung to rang A < \(\frac{7}{4}\)minh dang can gap de nop cho thay
a) chung to A=3+3^3+...+3^1991 chia het co 13 ,41
b)n(n+1)(n+2) chia het cho 2 ,3
ai giup minh truoc minh se like cho .minh dang can gap
Tinh: S=1-2-3-4-5-...-199-200-201-202.
GIUP MINH VOI, MINH DANG CAN GAP.
(a+a^2+a^3+a^4+...+a^29+a^30) chia het cho (a+1) (a thuoc N)
cac ban giup minh voi nhanh len nhe minh dang can gap
P=3^0+3^1+3^2+...+3^99 giup minh voi!!
minh dang can gap ai do giup minh de
Cho truoc n diem trong do ko co 3 diem nao thang hang.Ve cac duong thang di qua cac cap diem,Tim n biet rang neu co them 1 diem(ko thang hang voi bat ki 2 diem nao trong so n diem da cho) thi so duong thang ve duoc tang them la 8.
Minh dang can gap!Cac ban giup minh voi nhe!
Tìm x biết :
\(\frac{x}{2}-\frac{2}{3}\left(3x-2\right)=\left(-\frac{1}{2}\right)^3\)
Ai biet giai thi giup minh voi minh like cho minh dang can gap .