Like a puzzle...

What is the value of 4·(−1+2−3+4−5+6−7+· · ·+1000)?

Answer/solution will be given tomorrow.

09/21/2021

Solution: 4 * ( 1 + 1 + 1 + ... 500 terms!) = 4 * 500 = 2,000

Example: ( -1 + 2 - 3 + 4 - 5 + 6 - 7 + 8 - 9 + 10 ) = 5

09/22/2021