Površina valjka - Zadaci

Površina valjka – Matematika za 8. razred
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<blockquote class="wp-embedded-content"><a href="https://edukacija.rs/matematika/osnovna-skola/osmi-razred/valjak/povrsina-valjka">Površina valjka &#8211; Matematika za 8. razred</a></blockquote>
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