Question

1- 7/9=.......

7/9+9/12=.......

12:2/3=........

9/12:3=.....

 

Answer 1

1 - 7/9 = 2/9

7/9 + 9/12 = 55/36

12 : 2/3 = 18

9/12 : 3 = 1/4

Answer 2

\(1-\frac{7}{9}=\frac{9}{9}-\frac{7}{9}=\frac{2}{9}\)

\(\frac{7}{9}+\frac{9}{12}=\frac{28}{36}+\frac{27}{36}=\frac{55}{36}\)

\(12:\frac{2}{3}=12x\frac{3}{2}=\frac{36}{2}=18\)

\(\frac{9}{12}:3=\frac{9}{12}x\frac{1}{3}=\frac{9}{36}=\frac{1}{4}\)

Answer 3

1 - 7/9 = 2/9

7/9 + 9/12 = 55/36

12 : 2/3 = 18

9/12 : 3 = 1/4

Answer 4

1-7/9=2/9

7/9+9/12=55/36

12:2/3=18

9/12:3=1/4

Answer 5

      

1 - 7/9 = 2/9          7/9 + 9/12 = 55/36        12 : 2/3 = 18/1         9/12 : 3 = 1/4

Answer 6

chữa câu c : 12:2/3 = 18/1 = 18