%0 Journal Article %T Proof without words: square of difference, difference of cubes, cube of difference %A Kolar-Begovi£ż %A Zdenka %A Kolar-£żuper %A Ru£żica %J - %D 2019 %X Sa£żetak In this paper, we give geometrical proofs without words of formulae for square of difference, the difference of cubes and the cube of differenc %K square of difference %K difference of cubes %K cube of difference %K proof without words %U https://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=340695