November 2021 1 15 Report

помогите пожалуйста!

упростите выражения: а) 3п-8п-5п+2+2п

б) -3*(а-2)+6*(а-4)-4*(3а+2)

в) 5\12*(4,8р-4 4\5к)-4,5*(4\7р-0,4к)

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