Calculate 3.7 + 1.3 + 9.2
FUNNY MATH: Calculate 3.7 + 1.3 + 9.2 :)Correct answers: 18
The first user who solved this task is Sanja Šabović.
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Railroad couplingIn 1873, the first U.S. patent for a railroad coupler was issued to E.H. Janney of Alexandria, Virginia. |