ID 13141064 © Olgamakarova | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
algebra background black classroom college complexity cos decoration design drawing education figure formula geometry green handwriting illustration line math mathematical mathematics minus multiplication painting pattern pencil plus problem proof repetition school science scribble seamless side sign sin sinus sketch solution subtraction sum symbol texture tile triangle trigonometry vector wallpaper white