Mathematical Puzzle: IF 23+4...
Mathematical Puzzle: IF 23+478-593=5.588 and 1389+99-29=34.364 THEN 87+57-56=?Correct answers: 16
The first user who solved this task is Erkain Mahajanian.
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TyreIn 1925, a treaded pneumatic tyre was patented in the U.S. by Alden Putnam (No. 1,537,879) |