Question

SOLVE THIS :

CONTENT QUALITY NEEDED .

Answer 1

Final Answer : 21

Process :

2 * (6 +2) +1 = 17
2 * ( 1+4) + 1 = 11
2 * (3+7) + 1 = 21

Hope, you understand :

Answer 2

Hi friend, Harish here.

Here is your answer:

The order goes in this way:

⇒  $2 \times (\ \ \boxed{6}\ + \ \boxed{1} \ \ )\ +1 = \boxed{17}$

⇒  $2 \times (\ \ \boxed{1}\ + \ \boxed{4} \ \ )\ +1 = \boxed{11}$

Then,

⇒  $2 \times (\ \ \boxed{3}\ + \ \boxed{7} \ \ )\ +1 = \boxed{21}$

Therefore the answer is 21.
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Hope my answer is helpful to you.