Question

9,8=17 10,9=19 20,19=39 22,21=?​

Answer 1

Answer:

43

Step-by-step explanation:

it is a sequence following the rule (x,y)=(x+y)

Hope you understand

Thank you!

Answer 2

Answer:

33

it is because by seeing the order before it shows that u need to add 22&21 which will give you 3 as answer