Question

9/13:6/11-5/12:6/11

Answer 1

9/13 : 6/11 - 5/12 : 6/11

= 9/13 x 11/6 - 5/12 x 11/6

= 11/6 x ( 9/13 - 5/12 )

= 11/6 x 43/156

= 473/936

Answer 2

9/13 : 6/11 - 5/12 : 6/11

= 9/13 x 11/6 - 5/12 x 11/6

= 11/6 x ( 9/13 - 5/12 )

= 11/6 x 43/156

= 473/936

Answer 3

9/13 : 6/11 - 5/12 : 6/11

= 9/13 x 11/6 - 5/12 x 11/6

= 11/6 x ( 9/13 - 5/12 )

= 11/6 x 43/156

= 473/936

Answer 4

Ta có : 

9/13 : 6/11 - 5/12 : 6/11

= 9/13 x 11/6 - 5/12 x 11/6

= 11/6 x ( 9/13 - 5/12 )

= 11/6 x 43/156

= 473/936

Đap số : ...

Answer 5

Ta có : 

9/13 : 6/11 - 5/12 : 6/11

= 9/13 x 11/6 - 5/12 x 11/6

= 11/6 x ( 9/13 - 5/12 )

= 11/6 x 43/156

= 473/936

Đap số : ...