Dein Suchergebnis zum Thema: have

Some nostalgia: I still have a calculator from 1971 (Quelle "Privileg"), which has

If you have the choice of  the following four drawings most people would choose picture

The radii have the ratios 1 : 1.5 : 2 : 2.5 : 3…..

Parallelogram Seven tetrahexes have 28 hexagons altogether.

Continue …  …… …and continue to weave… ……. …until all the strips have

Cube and mirror cube have mirror images, for instance Ab and Ba.

You have to remove the pegs one after the other by jumping horizontally or vertically

You have to go through it. Fold the module 29 more times.  ……

You may have to pull on these points to loosen them. It must look like this. 

You can arrange them to n(n+1)/2 pairs. n+1 horizontal lines also have n(n+1)/2 pairs