Question

14x5x6

            = ...... gạch ở giữa nha

7x15x3

 

Answer 1

\(\dfrac{14\times5\times6}{7\times15\times3}=\dfrac{2\times7\times5\times2\times3}{7\times3\times5\times3}=\dfrac{2\times2}{3}=\dfrac{4}{3}\)

Answer 2

\(\dfrac{14\times5\times6}{7\times15\times3}=\dfrac{2\times1\times2}{1\times3\times1}=\dfrac{4}{3}\)

Answer 3

\(\dfrac{14.5.6}{7.15.3}=\dfrac{7.2.5.3.2}{7.3.5.3}=\dfrac{4}{3}\)

. là dấu nhân

Answer 4

\(\dfrac{14.5.6}{7.15.3}=\dfrac{7.2.5.3.2}{7.3.5.3}=\dfrac{4}{3}\)

Answer 5

4/3