Tính giá trị biểu thức :
A = 3+ 3/5+ 3/25+ 3/125+ 3/625
3+3/5+3/25+3/125+3/625
3+3/5+3/25+3/125+3/625
3+3/5+3/25+3/125+3/625
Giúp tớ với!
Tính nhanh:3+3/5+3/25+3/125+3/625
a,1+5/4+5/8+5/16+5/32+5/64
b,3/2+3/8+3/32+3/128+3/512
c,3+3/5+3/25+3/125+3/625
ai giải được mình cho 5nine luon
\(3+\frac{3}{5}+\frac{3}{25}+\frac{3}{125}+\frac{3}{625}\)
\(3+\frac{3}{5}+\frac{3}{25}+\frac{3}{125}+\frac{3}{625}\)
a,1 + 1/5 + 1/25 + 1/125 + 1/625
b,1/3 + 1/6 + 1/12 + 1/24 + 1/48 + 1/96
