Question

giúp với =((

Answer 1

\(\dfrac{42}{9}\times\dfrac{9}{2}=\dfrac{14}{3}\times\dfrac{9}{2}=\dfrac{126}{6}=21\)

Answer 2

\(\dfrac{42}{9}\times\dfrac{9}{2}=\dfrac{14}{3}\times\dfrac{9}{2}=\dfrac{126}{6}=\dfrac{21}{1}\)

Answer 3

63; 2; 567; 189

Answer 4

42/9 x 9/2 = 14/3 x 9/2 = 126/6 = 21

Answer 5

21