Find number abc
If c7a57 + ac7b2 = 812ab find number abc. Multiple solutions may exist.Correct answers: 25
The first user who solved this task is Nasrin 24 T.
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SandpaperIn 1834, the first U.S. invention of sandpaper was covered by four patents issued on this date to Isaac Fisher, Jr., of Springfield, Vt. These patents were titled "Coating Paper." (No X8246, -7) |