Find number abc
If 84b24 - 4a804 = c4820 find number abc. Multiple solutions may exist.Correct answers: 34
The first user who solved this task is Nasrin 24 T.
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Sewing machine motorIn 1855, the first U.S. patent was issued for a sewing machine motor to Isaac Merritt Singer of New York City. It covered a spring and cone pulley device. (No. 13,661) |