Question

Find a trick to calculate:
- 1 + 2 - 3 + 4 - 5 + 6 - 7... -19 + 20

Answer 1

Answer in Attachment ⬆️

Answer 2

Name the following:-

1. Which term literally means 'rebirth'- __________

2. They brought new thoughts and beliefs-_________

3. He invented a typing machine-__________

4. This system declined in Europe-__________

5. The capital of the Byzantine Empire-__________

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