Các câu hỏi tương tự
Tính \(N=\frac{\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+...+\frac{1}{3000}}{\frac{2999}{1}+\frac{2998}{2}+\frac{2997}{3}+...+\frac{1}{2999}}\)
A=
\(\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{5}+...+\frac{1}{3000}\)
\(\frac{2999}{1}+\frac{2998}{2}+\frac{2997}{3}+...+\frac{1}{2999}\)
1/2+1/3+1/4+...+1/300
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2999/1+2998/2+2997/3+...+1/2999
Tính:1/2+1/3+...+1/3000 / 2999/1+2998/2+...+1/2999
Tính A = \(\frac{\frac{1}{2}+\frac{1}{3}+...+\frac{1}{3000}}{\frac{2999}{1}+\frac{2998}{2}+...+\frac{1}{2999}}\)(Trình bày rõ => tick )
Bài 1 : Tính A = \(\frac{\frac{1}{2}+\frac{1}{3}+...+\frac{1}{3000}}{\frac{2999}{1}+\frac{2998}{2}+...+\frac{1}{2999}}\)(Giải rõ => tick )
Câu 1 : TínhA 1/2 + 1/3 + 1/4 +...+1/300B 2999/1 + 2998/2 + 2997/3 +...+1/2999Tính frac{A}{B}Câu 2C (1+2012/1)(1+2012/2)....(1+2012/1000)D(1+1000/1)(1+1000/2)(1+1000/3)...(1+1000/2012)Tính frac{C}{D}Câu 3Cho E1/1.2 + 1/3.4 + 1/5.6 +...+1/2013/2014F1/1008/2014 + 1009/2013 +.....+1/2014.1008Tính frac{E}{F}
Đọc tiếp
Câu 1 : Tính
A= 1/2 + 1/3 + 1/4 +...+1/300
B= 2999/1 + 2998/2 + 2997/3 +...+1/2999
Tính \(\frac{A}{B}\)
Câu 2
C= (1+2012/1)(1+2012/2)....(1+2012/1000)
D=(1+1000/1)(1+1000/2)(1+1000/3)...(1+1000/2012)
Tính \(\frac{C}{D}\)
Câu 3
Cho E=1/1.2 + 1/3.4 + 1/5.6 +...+1/2013/2014
F=1/1008/2014 + 1009/2013 +.....+1/2014.1008
Tính \(\frac{E}{F}\)
4000:3000+4001:2999+4002:2998+...+6000:1000
1. Cho Ndfrac{1}{31}+dfrac{1}{32}+...+dfrac{1}{60}CMR dfrac{3}{5} N dfrac{4}{5}2. Cho Mdfrac{1}{3}-dfrac{2}{3^2}+dfrac{3}{3^3}-dfrac{4}{3^4}+...+dfrac{29}{3^{29}}-dfrac{30}{3^{30}}CMR M dfrac{3}{16}3. Cho Qdfrac{2}{3}+dfrac{8}{9}+dfrac{26}{27}+...+dfrac{3^{2021}-1}{3^{2021}}CMR Qdfrac{4041}{2}
Đọc tiếp
1. Cho N=\(\dfrac{1}{31}+\dfrac{1}{32}+...+\dfrac{1}{60}\)
CMR \(\dfrac{3}{5}< N< \dfrac{4}{5}\)
2. Cho M=\(\dfrac{1}{3}-\dfrac{2}{3^2}+\dfrac{3}{3^3}-\dfrac{4}{3^4}+...+\dfrac{29}{3^{29}}-\dfrac{30}{3^{30}}\)
CMR \(M< \dfrac{3}{16}\)
3. Cho Q=\(\dfrac{2}{3}+\dfrac{8}{9}+\dfrac{26}{27}+...+\dfrac{3^{2021}-1}{3^{2021}}\)
CMR \(Q>\dfrac{4041}{2}\)