Question

hi fast answer................​

Answer 1

Explanation:

See. We need to fill the box

So we can apply 1 idea

If we take

11+13 + 9=33

But if we put 9 box in opposite direction then it will be 6

11+13+6=30

. Hence prove

Answer 2

Answer:

13+11+6 =30

Explanation:

13 + 11 are also given but 6 are not give ,so 9 are revolve 6 so 13+11+6=30