Find number abc
If aac0b - a0c71 = 19c7 find number abc. Multiple solutions may exist.Correct answers: 30
The first user who solved this task is Nasrin 24 T.
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Solar airplane patentIn 1963, the first U.S. patent on a "solar airplane vehicle" was issued to Elmer G. Johnson of Fairborn, Ohio (No. 3,089,670). |