Question

Answer 1

Câu 6:

\(A=\dfrac{1}{12}+\dfrac{1}{8}+\dfrac{1}{24}+\dfrac{1}{16}\)

\(=\dfrac{4}{48}+\dfrac{6}{48}+\dfrac{2}{48}+\dfrac{3}{48}\)

\(=\dfrac{15}{48}\)

=>Tử là 15

Answer 2

Câu 6:
Ta có: \(\dfrac{1}{12}+\dfrac{1}{8}+\dfrac{1}{24}+\dfrac{1}{16}\)
\(=\dfrac{4}{48}+\dfrac{6}{48}+\dfrac{2}{48}+\dfrac{3}{48}\)
\(=\dfrac{4+6+2+3}{48}\)
\(=\dfrac{15}{48}\)
\(\Rightarrow\) Tử phân số đó là 15.