Calculate the number 300
NUMBERMANIA: Calculate the number 300 using numbers [3, 4, 2, 8, 43, 173] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 5
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Balloon telecommunicationsIn 1960, the first two-way telephone conversation by satellite took place with the help of Echo 1, a balloon satellite. |