Today's problem: Inc-o ghicitoare


	Saturday, 30 may 2015

Inc-o ghicitoare

Proposed by Gabi Offline


(2 comments)	1.535 times displayed

Nouă ori nouă fac optzeci şi unu, Iei pe opt şi mai pui unu. Cât fac?


View the Solution Varianta 1: 9x9 -8+1 = 74 Varianta 2: nouă ori nouă fac 81, ştergem cifra 8 şi lângă cifra 1 rămasă mai scriem o dată cifra 1. Se obţine astfel 11.

Tags:

problema zilei, probleme de matematica, amuzante, matematica amuzanta, ghicitoare

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