Các câu hỏi tương tự
thuc hien tinh :E=1+1/2(1+2)+1/3(1+2+3)+1/4(1+2+3+4)+.......+1/200(1+2+3+.....+200)
tinh A/B biet rang:
A=1/2+1/3+1/4+...+1/200
B =1/199+2/198+3/197+...+198/2+199/1
1+1/2(1+2)+1/3(1+2+3)+1/4(1+2+3+4)........+1/200(1+2+3+4+5+6+7+.....+200)
Thực hiện tính:
E=1+1/2.(1+2)+1/3.(1+2+3)+1/4.(1+2+3+4)+.....+1/200(1+2+...+200)
a)Tính tổng :E=1+1/2(1+2)+1/3(1+2+3)+1/4(1+2+3+4)+...+1/200(1+2+3+4+...+200)
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thực hiện phép tính
E=1+1/2(1+2)+1/2(1+2+3)+1/4(1+2+3+4)+.....+1/200(1+2+3+....+200)
\(1+\dfrac{1}{2}\left(1+2\right)+\dfrac{1}{3}\left(1+2+3\right)+\dfrac{1}{4}\left(1+2+3+4\right)+...+\dfrac{1}{200}\left(1+2+...+200\right)\)
Tính: \(E=1+\frac{1}{2}\left(1+2\right)+\frac{1}{3}\left(1+2+3\right)+\frac{1}{4}\left(1+2+3+4\right)+...+\frac{1}{200}\left(1+2+3+...+200\right)\)
Tính:
\(E=1+\frac{1}{2}\left(1+2\right)+\frac{1}{3}\left(1+2+3\right)+\frac{1}{4}\left(1+2+3+4\right)+...+\frac{1}{200}\left(1+2+3+...+200\right)\)