Các câu hỏi tương tự
1/51 + 1/52 +1/53 +...+1/100 =?
\(A=\dfrac{1}{51}+\dfrac{1}{52}+\dfrac{1}{53}+...+\dfrac{1}{100}\)
Tính tổng 1/51+1/52+1/53+...+1/99+1/100
Tính A=1/51+1/52+1/53+...+1/99+1/100
1/51+1/52+1/53+......+1/99+1/100 >1/2
(1/51+1/52+1/53+...+1/100)÷(1/1×2+1/3×4+1/4×5+...+1/99×100)
Tính A:
A=1/51 + 1/52 + 1/53 + ......... + 1/100
Chứng minh 1/51+1/52+1/53+...+1/100>1/2
1/51+1/52+1/53+...1/99+1/100 hay so sanh voi 1/2