Question

80 +( 2005 + 20 ) = (80 + __) + 20​

Answer 1

Answer:

2005 will be in dash

Step-by-step explanation:

it is your answer.

Answer 2

Answer:

2005

Step-by-step explanation:

Let the missing number be x

$80 + (2005 +20) = (80 + x) + 20 \\ 80 + 2025 = 100 + x \\ 2105 = 100 + x \\x = 2105 - 100 \\ x = 2005$

Therefore, the missing number is 2005.