Các câu hỏi tương tự
1/40 +1/88+1/154+...+1/x.(x+3)=101/1540
Biết \(\frac{1}{40}+\frac{1}{88}+\frac{1}{154}+...+\frac{1}{x\left(x+5\right)}=\frac{101}{1540}\)
Tìm x
Biết \(\frac{1}{40}+\frac{1}{88}+\frac{1}{154}+...+\frac{1}{x\times\left(x+3\right)}=\frac{101}{1540}\) .Khi đó x=.............
x.\(\frac{1}{10}\)+\(\frac{1}{88}\)+\(\frac{1}{154}\)+...+\(\frac{1}{x.\left(x+3\right)}\)=\(\frac{101}{1540}\)
Tìm x biết \(\frac{2}{40}+\frac{2}{88}+\frac{2}{154}+....+\frac{2}{x\left(x+3\right)}=\frac{202}{1540}\)
Tìm x biết:
\(\frac{2}{40}+\frac{2}{88}+\frac{2}{154}+...+\frac{2}{x\left(x+3\right)}=\frac{202}{1540}\)
tìm x biết :
\(\frac{2}{40}+\frac{2}{88}+\frac{2}{154}+.....+\frac{2}{x\left(x+3\right)}=\frac{202}{1540}\)
Tìm x biết:
1/ 5.8+ 1/ 8. 11+ .....+ 1/ x(x+3)= 101/ 1540
tìm x biết 1/5.8+1/8.11+1/11.14+..............+1/x[x+3]=101/1540