Ta có:
\(\frac{1}{5}=\frac{1}{5}\)
\(\frac{1}{13}+\frac{1}{14}+\frac{1}{15}
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chứng minh rằng s=1/5+1/13+1/14+1/15+1/61+1/62+1/63<1/2
Chứng minh S = 1/5 +1/13+ /14+1/15+1/61+1/62+1/63 < 1/2
chứng minh rằng: S=1/5+1/13+1`/14+1/15+1/61+1/62+1/63<1/2
Chứng minh
S= 1/5+1/13+1/14+1/15+1/61+1/62+1/63<1/2
CHO 1/5+1/13+1/14+1/15+1/61+1/62+1/63
cHỨNG minh 3/7<S<1/2
Chứng minh rằng ; S = 1/5+1/13+1/14+1/15+1/61+1/62+1/63 < 1/2
ai nhanh nhất mình sẽ tick cho đấy
Chứng minh;
S=1/5+1/13+1/14+1/15+1/61+1/62+1/63<1/2
S=1/2+1/2^2+1/2^3+...+1/2^20<1
chứng minh 1/5+1/13+1/14+1/15+1/61+1/62+1/63 < 1/2
Chứng minh :
a, S= 1/5+1/13+1/14+1/15+1/61+1/62+1/63<1/2
b, P = 1/2+1/2^2+...+1/2^20< 1