Question

5/9 chia 12/9 +1/2 =(giải chi tiết)

ai giúp minh sẽ theo dõi nha 

 

Answer 1

\(\dfrac{5}{9}:\dfrac{12}{9}+\dfrac{1}{2}=\dfrac{5}{12}+\dfrac{1}{2}=\dfrac{5}{12}+\dfrac{6}{12}=\dfrac{11}{12}\)

Answer 2

\(\dfrac{5}{9}:\dfrac{12}{9}+\dfrac{1}{2}=\dfrac{5}{9}x\dfrac{9}{12}+\dfrac{1}{2}=\dfrac{5}{12}+\dfrac{1}{2}=\dfrac{5}{12}+\dfrac{6}{12}=\dfrac{11}{12}\)

Answer 3

\(\dfrac{5}{9}:\dfrac{12}{9}+\dfrac{1}{2}=\dfrac{5}{9}\times\dfrac{9}{12}+\dfrac{1}{2}=\dfrac{5}{12}+\dfrac{1}{2}=\dfrac{5}{12}+\dfrac{6}{12}=\dfrac{11}{12}\)

Answer 4

Answer 5

\(= (\dfrac59 + \dfrac{12}9) x \dfrac21\)
\(= \dfrac{15}{9} x \dfrac21 = \dfrac{30}9\)

Answer 6

 

=5/12+6/12=1/2