5000
Question:
What is the value of the sum $-1 + 2 - 3 + 4 - 5 + 6 - 7 +\dots+ 10,\!000$?
Answer:
Let's think step by step.

user
5000
What is the value of the sum $-1 + 2 - 3 + 4 - 5 + 6 - 7 +\dots+ 10,\!000$?
train