Find number abc
If 7a648 - b6647 = 45cca find number abc. Multiple solutions may exist.Correct answers: 29
The first user who solved this task is Nasrin 24 T.
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Children's carriage patentIn 1889, black American inventor W.H. Richardson was issued two patents for a "Child's Carriage" (U.S. Nos. 405,599 - 600) In 1886, he had already also patented a "Cotton Chopper". |