Tìm X :
a, 3/1.4+3/4.7+...+1/x.(x+3)=100/101
Tìm X :
a, 3/1.4+3/4.7+...+1/x.(x+3)=100/101
Tìm X :
a, 3/1.4+3/4.7+...+1/x.(x+3)=100/101
Tìm x
A=\(\frac{3}{1.4}\)+\(\frac{3}{4.7}\)+...+\(\frac{3}{x.\left(x+3\right)}\)=\(\frac{100}{101}\)
Giúp mik vs nha các bạn
Tìm x:
D=\(\frac{3}{1.4}\)+\(\frac{3}{4.7}\)+...+\(\frac{1}{x.\left(x+3\right)}\)=\(\frac{100}{101}\)
Giúp mik vs nha
Tìm x:
1/1.4 + 1/4.7 + 1/7.10 + ... + 1/x.(x+3)= 667/2002
tìm x
1/1.4+1/4.7+1/7.10+....+1/x.(x+3)=6/19
Tìm x
1/ 1.4+ 1/ 4.7+ 1/ 7.10+....+1/ x.( x+ 3)= 672/ 2017
Tìm x, biết:
\(\dfrac{3}{1.4}\)x + \(\dfrac{3}{4.7}\)x + \(\dfrac{3}{7.10}\)x +...+ \(\dfrac{3}{31.34}\)x = 33