Esercizi svolti per il libro Matematica.blu: Algebra, Geometria, Statistica, Vol. 1
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Soluzione
(22−20):2+{[18+21−1−(16+6)]−8}(22-20):2+\{[18+21-1-(16+6)]-8\}(22−20):2+{[18+21−1−(16+6)]−8} === (2):2+{[18+21−1−(22)]−8}(2):2+\{[18+21-1-(22)]-8\}(2):2+{[18+21−1−(22)]−8} === (1)+{[16]−8}(1)+\{[16]-8\}(1)+{[16]−8} === 1+{8}1+\{8\}1+{8} === 999