помоогите решить плз... вычислите: а) (-0,20^-3 (-2 3/7)^-1 (-1 2/2)^-2. Created by Alekcandra2005. algebra-ru

2)^-2...

Alekcandra2005 @Alekcandra2005

August 2021 1 3 Report

помоогите решить плз...
вычислите:
а) (-0,20^-3
(-2 3/7)^-1
(-1 2/2)^-2

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А) (-20)⁻³ = (-1/20)³ = -1/20³ = -1/8000 = -0,000125
б) (-2 3/7)⁻¹ = (-17/7)⁻¹ = (-7/17)¹ = -7/17
в) (-1 2/2)⁻² = (-4/2)⁻² = (-2/4)² = 1/2² = 1/4 = 0,25

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