Question

( 4/6 × 7/9) × 3/7 

Answer 1

`( 4/6 × 7/9) × 3/7 ​`

`=(2/3+7/9)xx3/7`

`=(6/9+7/9)xx3/7`

`=13/9xx3/7`

`=13/21`

Answer 2

\(\left(\dfrac{4}{6}.\dfrac{7}{9}\right).\dfrac{3}{7}\)

= \(\left(\dfrac{2}{3}.\dfrac{7}{9}\right).\dfrac{3}{7}\)

= \(\dfrac{14}{27}.\dfrac{3}{7}\)

= \(\dfrac{42}{189}\)

= \(\dfrac{2}{9}\)

Chúc bạn học tốt!! ^^

Answer 3

\(\left(\dfrac{4}{6}\cdot\dfrac{7}{9}\right)\cdot\dfrac{3}{7}=\dfrac{14}{27}\cdot\dfrac{3}{7}=\dfrac{2}{9}\)