Odštevanje – J. Kešnar
vir naslovne fotografije: https://www.google.com/imgres?imgurl=https%3A%2F%2Finteraktivne-vaje.si%2Fmatematika%2Fmat_05%2Ff_do_5%2Fodstevanje_5_4.png&imgrefurl=https%3A%2F%2Finteraktivne-vaje.si%2Fmatematika%2Fmat_05%2Fracunam_do_5_odstevanje.html&tbnid=sWyuFS2x2wzoxM&vet=12ahUKEwj0sJWArtb7AhVSxgIHHf7hDzgQMygZegUIARD2AQ..i&docid=ObrKsdCqTttseM&w=640&h=320&q=od%C5%A1tevanje&ved=2ahUKEwj0sJWArtb7AhVSxgIHHf7hDzgQMygZegUIARD2AQ
