June 2022 1 9 Report
Известно, что b1, b2, b3, b4 - натуральные числа геометрической прогрессии. b1+b2+b3+b4=15 ; 1/b1+1/b2+1/b3+1/b4=1.875.
Найдите числа b1, b2, b3, b4.
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