Question

3/7 x x= 1/3 dấu nhân nha

3/5 : x= 2/3

Answer 1

3/7 x x = 1/3

         x = 1/3 : 3/7

         x = 7/9

3/5 : x = 2/3

        x = 2/3 x 3/5

       x = 6/15 = 2/5

Answer 2

3/7 * x = 1/3

        x = 1/3 : 3/ 7 = 7/9

3/5 : x = 2/3

       x = 3/5 : 2/3 = 9/10

Answer 3

3/7 x x = 1/3

         x = 1/3 : 3/7

           x = 7/9

3/5 : x = 2/3

       x = 2/3 x 3/5

       x = 2/5

Answer 4

3/7 x x =1/3

          x = 1/3 : 3/7

           x=7/9

3/5 : x = 2/3

         x= 2/3 x 3/5

          x= 6/15=2/5