Calculate the number 987
NUMBERMANIA: Calculate the number 987 using numbers [8, 9, 1, 4, 15, 934] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 1
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Edison patentIn 1886, a patent for an “Electrode for Telephone-Transmitters” was issued to Thomas Alva Edison (No. 348114). The patent application was dated one year earlier on 12 Jan 1885. |