Calculate A*B-C+D
Look at the series (10, 19, 36, D, C, A, 520, 1033, 2058, 4107, B, 16397, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A*B-C+D!Correct answers: 30
The first user who solved this task is Nasrin 24 T.
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Can you see me?
An English man, French, Italian and German are standing at the side of a street watching a street performer.
The street performer noticed that they all have poor eye sight so he asked them whether they can see him and they responded: "Yes" "Oui" "Sì" "Ja"
Authore:Melox94