Esercizi svolti per il libro Matematica.blu: Algebra, Geometria, Statistica, Vol. 1
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Soluzione
{2+12⋅[36−(28+4)+48:(4+44)]+(50):(15+35)}:{21−[20−(2+4)]}\{2+12\cdot[36-(28+4)+48:(4+44)]+(50):(15+35)\}:\{21-[20-(2+4)]\}{2+12⋅[36−(28+4)+48:(4+44)]+(50):(15+35)}:{21−[20−(2+4)]} === {2+12⋅[36−(32)+48:(48)]+50:(50)}:{21−[20−(6)]}\{2+12\cdot[36-(32)+48:(48)]+50:(50)\}:\{21-[20-(6)]\}{2+12⋅[36−(32)+48:(48)]+50:(50)}:{21−[20−(6)]} === {2+12⋅[36−32+(1)]+(1)}:{21−[14]}\{2+12\cdot[36-32+(1)]+(1)\}:\{21-[14]\}{2+12⋅[36−32+(1)]+(1)}:{21−[14]} === {2+12⋅[5]+1}:{7}\{2+12\cdot[5]+1\}:\{7\}{2+12⋅[5]+1}:{7} === {2+[60]+1}:7\{2+[60]+1\}:7{2+[60]+1}:7 === {63}:7\{63\}:7{63}:7 === 999