Question

2/7 x y - 1/4 x y = 3/7 

giúp tui với! Help meeeeeeeeeeeeeeeeee!

Answer 1

\(y\times\left(\dfrac{2}{7}-\dfrac{1}{4}\right)=\dfrac{3}{7}\)

\(y=\dfrac{3}{7}:\dfrac{1}{28}=12\)

Answer 2

\(y\times\left(\dfrac{2}{7}-\dfrac{1}{4}\right)=\dfrac{3}{7}\)

\(y\times\dfrac{1}{28}=\dfrac{3}{7}\)

\(y=\dfrac{3}{7}:\dfrac{1}{28}=\dfrac{3\times28}{7}=12\)

Answer 3

Cảm ơn bạn!

Answer 4

y×(27−14)=37y×(27−14)=37

y=37:128=12

Answer 5

=12

Answer 6

Cảm ơn bạn!