Question

rút gọn :
\(\dfrac{72}{42}\) =................

Answer 1

12/7

Answer 2

\(\dfrac{12}{7}\)

Answer 3

\(\dfrac{72}{42}=\dfrac{72:6}{42:6}=\dfrac{12}{7}\)

Answer 4

\(\dfrac{72}{42}=\dfrac{72:6}{42:6}=\dfrac{12}{7}\)

Answer 5

um

Answer 6

12 / 7