Answer:

d

Step-by-step explanation:

11 8

9

–

3 1

3

= (11 – 3) + (

8

9

–

1

3

)

= 8 +

8

9

–

1 × 3

3 × 3

= 8 +

8

9

–

3

9

= 8 +

8 – 3

9

= 8 +

5

9

=

8 5

9