October 2018 1 38 Report

1) (a-3)(a²+3a+9)-(a+2)²-(2-√3a)(2+√3a)=

2) (2-3√3)(x+√3)=2+x√3

3) 5(do potęgi jedna trzecia)¹₃ ·5·√5·125(do potęgi minus pięć osiemnastych)⁻⁵₁₈ / (¹₂₅)(do potęgi minus jedna druga)⁻¹₂=


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