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cat fac 1890+1900+3000+7000+9999

Răspuns :

1890 + 1900 + 3000 + 7000 + 9999 =

3790 + 3000 + 7000 + 9999 =

6790 + 7000 + 9999 =

13790 + 9999 =

23 789
1890+1900+3000+7000+9999=23789
=3790+10000+9999
=13790+9999
=23789