B

your first lesson at thursday is history.

\(\dfrac{4}{7}=\dfrac{12}{21};\dfrac{15}{8}=\dfrac{45}{24};\dfrac{8}{9}=\dfrac{16}{18};\dfrac{5}{7}=\dfrac{20}{28}\)

nước đại việt ta và bàn luận về phép học

On Monday 6th September, the new school years will start?

is

I'll come

C?

\(\left(2xy^3\right)^2\cdot\dfrac{3}{8}xz^2=4x^2y^6\cdot\dfrac{3}{8}xz^2=\dfrac{3}{2}x^3y^6z^2\)

A

D