Calculate the number 840
NUMBERMANIA: Calculate the number 840 using numbers [8, 6, 8, 5, 99, 164] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 2
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Hot air balloon ascentIn 1709, first known ascent in a hot-air balloon was made in Portugal by Father Bartolomeu de Gusmão - indoors - as a demonstration before the Portuguese court.«* |