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8. Calculați 2 020¹+1²⁰¹⁷-2019⁰​

Răspuns :

2020¹+1²⁰¹⁷-2019⁰=

2020+1-1=2020

Răspuns:

2020 + 1 - 1 = 2021 - 1 = 2020

2020^1 = 2020

1^2017 = 1

2019^0 = 1