Seven pieces jigsaw puzzle squares info graphic Vector Image
I created this puzzle where using only 4 digits (1,2,5,7), only once each, you create expressions using any operations that result in each integer from 0 to 100. : r/mildlyinteresting
TANGRAM. Ancient Chinese moving piece puzzle, consisting of 7 pieces made using 3 basic geometric shapes. There are tw… | Tangram, Tangram puzzles, Tangram patterns