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(2022+2021-2020-2019)+(2018+2017-2016-2015)+...+(6+5-4-3)+2+1=

Răspuns :

Răspuns:

(4043-2020-2019)+(4035-2016-2015)+(11-4-3)+3=

=(2023-2019)+(2019-2015)+(7-3)+3

=4+4+4+3

=12+3

=15