Chứng tỏ rằng \(\frac{31}{2}.\frac{32}{2}.\frac{33}{2}...\frac{60}{2}=1.3.5...59\)
Chứng tỏ rằng:
\(\frac{31}{2}.\frac{32}{2}.\frac{33}{2}...\frac{60}{2}=1.3.5...59\)
Chứng tỏ rằng
\(\frac{31}{2}.\frac{32}{2}.\frac{33}{2}...\frac{60}{2}=1.3.5...59\)
Chứng tỏ:
\(\frac{31}{2}.\frac{32}{2}.\frac{33}{2}.\frac{34}{2}....\frac{60}{2}=1.3.5....59\)
chứng tỏ: \(\frac{31}{2}.\frac{32}{2}.\frac{33}{2}......\frac{60}{2}=1.3.5......59\)
Chứng tỏ \(\frac{31}{2}.\frac{32}{2}...\frac{60}{2}=1.3.5...59\)
Chứng tỏ \(\frac{31}{2}\cdot\frac{32}{2}\cdot...\cdot\frac{60}{2}\)= 1.3.5.....59
Cho A =\(\frac{1}{31}+\frac{1}{32}+\frac{1}{33}+...+\frac{1}{59}+\frac{1}{60}\) Chứng minh rằng A<\(\frac{4}{5}\)
chứng tỏ rằng
31/2+32/2+33/2+....+60/2=1.3.5....59