Question

1/2 + 1/6 + 1/12 + 1/20 + 1/30 + 1/42 + 1/56

Answer 1

\(\frac{1}{2}\)+\(\frac{1}{6}\)+ \(\frac{1}{12}\)+\(\frac{1}{20}\)+\(\frac{1}{30}\)+\(\frac{1}{42}\)+\(\frac{1}{56}\)=\(\frac{7}{8}\)

Answer 2

1/2+1/6+1/12+1/20+1/30+1/42+1/56=7/8=0.875

kick mik nha xin đó

Answer 3

ok rồi xong