Mathematical Puzzle: IF 2+3=...
Mathematical Puzzle: IF 2+3=25, 4+5=45 and 0+8=40 THEN 1+6=?Correct answers: 108
The first user who solved this task is Nasrin 24 T.
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Ironing tableIn 1874, the prolific black American inventor Elijah J. McCoy patented an ironing table (No. 150,876). He is best known for his lubricating devices for steam engines for which he held numerous patents. |