rut gon bieu thuc:(1/2+1)(1/3+1)(1/4+1).....(1/99+1)
Rut gon bieu thuc sau:T=(1/2+1).(1/3+1). (1/4+1)....(1/98+1).(1/99+1)
Rut gon bieu thuc sau
A=\(\frac{1}{2}+\frac{1}{2^2}+\frac{1}{2^3}+...+\frac{1}{2^{100}}\)
Rut gon bieu thuc: S = \(\frac{1}{^{2^1}}+\frac{1}{2^2}+\frac{1}{2^3}+...+\frac{1}{2^{100}}\)
rut gon bieu thuc sau : (-12).(-2)-[|-3|^2-(-2)^3.3]/(-3)^3
Rut gon bieu thuc :
E = 2100 - 299 + 298 - 297 + ... + 22 - 21
Giai gium minh nha cac ban con ai la Giao vien thi lam ho em a !
cho bieu thuc a^3+2a^2-1/a^3+2a^2+2a+1
a) Rut gon bieu thuc
b)Chung minh rang neu a la so nguyen thi gia tri tim duoc cua bieu thuc o cau a) la 1 phan so toi gian
Cho bieu thuc A = a^3+2a2 -1/ a3+2a2+2a+1
a, Rut gon bieu thuc
b, CMR neu a la mot so nguyen thi A toi gian
Rut gon bieu thuc: A=1+ 1/2+ 1/22+ 1/23+ ... +1/22012
GIUP MINH NHANH NHE
