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(1+4+7+...+2017):(2+5+...+2018)

Răspuns :

Răspuns:

Explicație pas cu pas:

(2017-1):3+1=2016:3+1=672+1=673

(2017+1)×673:2=2018×673:2=1358114:2=679057

(2018-2):3+1=2016:3+1=672+1=673

(2018+2)×673:2=2020×673:2=1359460:2=679730