Find number abc
If b6146 + ab114 = 5ca60 find number abc. Multiple solutions may exist.Correct answers: 76
The first user who solved this task is Djordje Timotijevic.
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Electric blanketIn 1946, the Simmons Company of Petersburg, Va., manufactured the first electric blanket. Its price was $39.50. The temperature was regulated by an "electronic" thermostatic control. |