Các câu hỏi tương tự
3/1.2.3+5/2.3.4+...+2017/1008+1009+1010<5/4
CMR : 3/1.2.3 + 5/2.3.4 + 7/3.4.5 +...+ 2017/1008.1009.1010 < 5/4
Chứng tỏ rằng:
3/1.2.3+5/2.3.4+7/3.4.5+.....+2017/1008.1009.1010>5/4
Chứng tỏ rằng
3/1.2.3 + 5/2.3.4 + 7/3.4.5 +....+ 2017/1008.1009.1010 < 5/4
Ai nhanh nhất 3 tick!
CMR: \(\frac{3}{1.2.3}+\frac{5}{2.3.4}+\frac{7}{3.4.5}+...+\frac{201}{100.101.102}< \frac{5}{4}\)
Câu 1 : 1.2+2.3+3.4+...+30.31
Câu 2 : 1.2.3+2.3.4+3.4.5+...+30.31.32
Câu 3 : 1/1.2+1/2.3+1/3.4+...+1/30.31
Câu 4 ; 1/1.3+1/3.5+...+1/99.101
Câu 5 : 1/1.4+1/4.7+...+1/91.94
Câu 6 : 1/1.2.3+1/2.3.4+1/3.4.5+...+1/31.32.33
Câu 7 : 1.1!+2.2!+3.3!+...+10.10!
Cho V = 1/1*2+1/3*4+1/5+6+...+1/2015*2016 và Y = 1/1008+1/1009+1/1010+...+1/2016.Tính V:Y
Cho C=\(\frac{3}{1.2.3}+\frac{5}{2.3.4}+\frac{7}{3.4.5}+...+\frac{201}{100.101.102}\)
CMR: C <\(\frac{5}{4}\)
Giup mik voi!!!
C/m: 3/1.2.3+5/2.3.4+.....+2017/1008.1009.1010 < 5/4