Chứng tỏ rằng:
\(1+\dfrac{1}{2}+\dfrac{1}{3}+...+\dfrac{1}{62}+\dfrac{1}{63}+\dfrac{1}{64}>4\)
bài 1
chứng tỏ rằng
1+1/2+1/3+................1/62+1/63+1/64>4
Chứng tỏ rằng:
\(1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+....+\frac{1}{63}+\frac{1}{64}>4\)
Chứng tỏ:
\(1+\frac{1}{2}+\frac{1}{3}+...+\frac{1}{62}+\frac{1}{63}+\frac{1}{64}>4\)
Chứng tỏ:
\(1+\frac{1}{2}+\frac{1}{3}+...+\frac{1}{62}+\frac{1}{63}+\frac{1}{64}>4\)
Chứng tỏ rằng :
1+1/2+1/3+......+1/63+1/64 >4
chứng minh
S=1+1/2+1/3+1/4+...+1/63+1/64 lon hon 4
CM : 1+ 1/2+1/3+1/4+1/5+.....+1/62+1/63+1/64 > 4
Chứng tỏ rằng :1/2 + 1/3 +1/4 +.......+1/63 > 2