50
Question:
What is the value of the following expression: $100 - 99 +98 - 97 + 96 - 95 + \cdots + 4 - 3 +2 - 1$?
Answer:
Let's think step by step.

user
50
What is the value of the following expression: $100 - 99 +98 - 97 + 96 - 95 + \cdots + 4 - 3 +2 - 1$?
train