Find number abc
If ab5bc - aa546 = 991 find number abc. Multiple solutions may exist.Correct answers: 107
The first user who solved this task is Manguexa Wagle.
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Edison patentIn 1909, a U.S. patent for "Waterproofing Paint for Portland Cement Buildings" was issued to Thomas A. Edison (No. 909,167) and another for "Waterproofing Paint for Portland Cement Structure" (No. 909,169). He also received a patent for "Waterproofing Fibers and Fabrics" (No. 909,806). |