Ms. Hana asked the class to see if they could find the sum of the first 50 odd numbers. As everyone settled down to their addition, Jaszle ran to her and said, 'The sum is 2,500.' Ms. Hana thought, 'Lucky guess,' and gave him the task of finding the sum of the first 75 odd numbers. Within 20 seconds, Jaszle was back with the correct answer.
How does Jaszle find the sum so quickly and what is the answer???
How does Jaszle find the sum so quickly and what is the answer???
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