Question

Answer 1

\(=\dfrac{9\times121\times7}{11\times35\times9}=\dfrac{11}{5}\)

Answer 2

11/5

Answer 3

\(\dfrac{11}{5}\)

Answer 4

\(\dfrac{9}{11}\cdot\dfrac{121}{35}\cdot\dfrac{7}{9}=\dfrac{9}{9}\cdot\dfrac{121}{11}\cdot\dfrac{7}{35}=\dfrac{11}{5}\)

Answer 5

\(\dfrac{9}{11}.\dfrac{121}{35}.\dfrac{7}{9}=\dfrac{1.11.1}{1.5.1}=\dfrac{11}{5}\) (Mik dùng pp rút gon trong phép nhân phân số nha)

Answer 6

\(\dfrac{9}{11}.\dfrac{121}{35}.\dfrac{7}{9}=\dfrac{9.121.7}{11.35.9}=\dfrac{11}{5}\)

Dấu . là dấu nhân nha

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