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Calculate 66+935+1389

FUNNY MATH: Calculate 66+935+1389

Correct answers: 26

The first user who solved this task is Sanja Šabović.

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Edison car starter patent

In 1918, Thomas A. Edison was issued a U.S. patent for a "Starting and Current-Supplying System for Automobiles" (No. 1,255,517).

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