Esercizi svolti per il libro Matematica.blu: Algebra, Geometria, Statistica, Vol. 1 con autore Massimo Bergamini, Anna Trifone, Graziella Barozzi
Domanda
13−{8⋅15−[(7⋅5+5):8+20:(28:4−3)]}:1113-\{8\cdot15-[(7\cdot5+5):8+20:(28:4-3)]\}:1113−{8⋅15−[(7⋅5+5):8+20:(28:4−3)]}:11
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Soluzione
13−{120−[(35+5):8+20:(7−3)]}:1113-\{120-[(35+5):8+20:(7-3)]\}:1113−{120−[(35+5):8+20:(7−3)]}:11 === 13−{120−[(40):8+20:(4)]}:1113-\{120-[(40):8+20:(4)]\}:1113−{120−[(40):8+20:(4)]}:11 === 13−{120−[(5)+(5)]}:1113-\{120-[(5)+(5)]\}:1113−{120−[(5)+(5)]}:11 === 13−{120−[10]}:1113-\{120-[10]\}:1113−{120−[10]}:11 === 13−{110}:1113-\{110\}:1113−{110}:11 === 13−{10}13-\{10\}13−{10} === 333