Question

1/2 nhân 15/13- 1/2 nhân 5/13+ 1/2 nhân 3/13=

Answer 1

Giúp mình nhanh lên mọi người

Answer 2

1/2

Answer 3

\(\dfrac{1}{2}\cdot\dfrac{15}{13}-\dfrac{1}{2}\cdot\dfrac{5}{13}+\dfrac{1}{2}\cdot\dfrac{3}{13}=\dfrac{1}{2}\left(\dfrac{15}{13}-\dfrac{5}{13}+\dfrac{3}{13}\right)=\dfrac{1}{2}\cdot1=\dfrac{1}{2}\)

Answer 4

\(\dfrac{1}{2}\times\dfrac{15}{13}-\dfrac{1}{2}\times\dfrac{5}{13}+\dfrac{1}{2}\times\dfrac{3}{13}=\dfrac{1}{2}\times\left(\dfrac{15}{13}-\dfrac{5}{13}+\dfrac{3}{13}\right)=\dfrac{1}{2}\times1=\dfrac{1}{2}\)

Answer 5

lol 0,5