October 2018 2 28 Report

Obwód narysowanego prostokąta wynosi 20 cm. Pole tego prostokątajest równe:

A.9cm² B.24cm² C.690/3 cm² D.782/6 cm²

wymiary prostokąta : 2x i x+1

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Rozwiąż równania:

a)2/3(1-2x)=-4 b)x+1/2-x-1/3=1/2


/ - kreska ułamkowa


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