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Bondorztefan
a fost răspuns

Calculeaza 2018+2018×2020-2021×2017

Dau coroana.Repede va rog
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Răspuns :

Răspuns:

2018+2018×2020-2021×2017 = 2021

1) 2018×2020 = 4076360

2) 2021×2017 = 4076357

Așa că:

2018 + 4076360 - 4076357 =

3) 2018 + 4076360 = 4078378

4) 4078378 - 4076357 = 2021

2018+2018×2020-2021×2017= 2021