Question

1/2 + 3/6 + 5/10 + 7/14 + 9/18 + 11/22 = ........ (Nhập kết quả là số tự nhiên)

Answer 1

\(\frac{1}{2}+\frac{3}{6}+\frac{5}{10}+\frac{7}{14}+\frac{9}{18}+\frac{11}{22}\)

\(=\frac{1}{2}+\frac{1}{2}+\frac{1}{2}+\frac{1}{2}+\frac{1}{2}+\frac{1}{2}\)

\(=\frac{1}{2}x6\)

\(=\frac{6}{2}\)

\(=3\)

Answer 2

ta có 

1/2+1/2+1/2+1/2+1/2+1/2=4

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