Soluzioni

 

                                           1.7                                                                                                                                            1.8

                                                            

                   rottura della rettilineita'                                                                                 rottura della rettilineita'

 

 

                                           1.9                                                                                                                                         2.0

                                                                                           

                         quadrati uguali                                                                                                             figura impensabile

 

 

                                        2.1                                                                                                                                        2.2

                                                                                

                  triangolo impensabile                                                                                esiste davvero il triangolo bianco

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