What is the positive difference between the sum of the first 100 positive integers and the sum of the next 50 positive integers?
A.
1000
B.
1225
C.
2025
D.
5050
Exam No：2018 First Round Grade 3 Year：2018 Question No：6
Answer:
B
Knowledge points:
G3 - Algebra - Patterns (Numeric Sequences)
Solution:
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