Esercizi svolti per il libro Matematica.blu: Algebra, Geometria, Statistica, Vol. 1 con autore Massimo Bergamini, Anna Trifone, Graziella Barozzi
Domanda
{[135+3⋅5+(4+3⋅7)⋅2]:8}:{2+[8⋅11−(5+7⋅5)]:4+(39:3−2)}\{[135+3\cdot5+(4+3\cdot7)\cdot2]:8\}:\{2+[8\cdot11-(5+7\cdot5)]:4+(39:3-2)\}{[135+3⋅5+(4+3⋅7)⋅2]:8}:{2+[8⋅11−(5+7⋅5)]:4+(39:3−2)}
Video
Soluzione
{[135+15+(4+21)⋅2]:8}:{2+[88−(5+35)]:4+(13−2)}\{[135+15+(4+21)\cdot2]:8\}:\{2+[88-(5+35)]:4+(13-2)\}{[135+15+(4+21)⋅2]:8}:{2+[88−(5+35)]:4+(13−2)} === {[135+15+(25)⋅2]:8}:{2+[88−(40)]:4+(11)}\{[135+15+(25)\cdot2]:8\}:\{2+[88-(40)]:4+(11)\}{[135+15+(25)⋅2]:8}:{2+[88−(40)]:4+(11)} === {[135+15+(50)]:8}:{2+[48]:4+11}\{[135+15+(50)]:8\}:\{2+[48]:4+11\}{[135+15+(50)]:8}:{2+[48]:4+11} === {[200]:8}:{2+[12]+11}\{[200]:8\}:\{2+[12]+11\}{[200]:8}:{2+[12]+11} === {25}:{25}\{25\}:\{25\}{25}:{25} === 111