December 2018 1 374 Report

Un turist parcurge
un traseu astfel: in prima etapa 20% din traseu, in a doua etapa  \frac{1}{4} din
rest plus 20 km, in a treia etapa jumatate din noul rest iar in a patra
etapa ultimii 32 km. a) Clculati lungimea traseului. b) Calculati cat a parcurs in fiecare etapa. c) Aproximati prin lipsa cu o sutime  \sqrt23.

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