\(\dfrac{9}{15}=\dfrac{3}{5}=\dfrac{1}{5}\times3=\dfrac{1}{5}+\dfrac{1}{5}+\dfrac{1}{5}\)
giúp mình với ạ, mình sẽ tick! Cảm ơn các bạn
\(\dfrac{9}{15}=\dfrac{1}{3}+\dfrac{1}{5}+\dfrac{1}{15}\)
\(\dfrac{9}{15}\) = \(\dfrac{1+3+5}{15}\) = \(\dfrac{1}{15}+\dfrac{3}{15}+\dfrac{5}{15}\) = \(\dfrac{1}{15}\) + \(\dfrac{1}{5}\) + \(\dfrac{1}{3}\)
\(\dfrac{9}{15}\) = \(\dfrac{9:3}{15:3}\) = \(\dfrac{3}{5}\) = \(\dfrac{1}{5}\) + \(\dfrac{1}{5}\) + \(\dfrac{1}{5}\)