Question

Answer 1

\(=\dfrac{4.3}{7}+\dfrac{2}{3}.\dfrac{1}{2}\\ =\dfrac{12}{7}+\dfrac{1}{3}\\ =\dfrac{12.3+7}{21}\\ =\dfrac{43}{21}\)

Answer 2

`(4)/(7)xx3+(2)/(3):2`

`=(4xx3)/(7)+(2)/(3)xx(1)/(2)`

`=(12)/(7)+(2)/(3xx2)`

`=(12)/(7)+(1)/(3)`

`=(12xx3+1xx7)/(21)`

`=(36+7)/(21)=(43)/(21)`

Answer 3

cậu đăng kí kênh giúp tui nhé https://www.youtube.com/watch?v=te89p26aIGo&t=5s xin cậu đó 

Answer 4

\(\dfrac{4}{7}\times3+\dfrac{2}{3}:2=\dfrac{12}{7}+\dfrac{2}{3}\times\dfrac{1}{2}=\dfrac{12}{7}+\dfrac{1}{3}=\dfrac{36}{21}+\dfrac{7}{21}=\dfrac{43}{21}\)

Answer 5

 = 43/21