September 2018 1 7 Report

1. Doprowadź do najprostszej postaci wyrażenie i oblicz jego wartość dla x = √2 (x+2)²-3x-(x-1)(x+1)

2. Rozwiąż

a) 3/4x+5(2x+1/2)(x-1)

b) {2x-3y=5 x+2y=1


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