Procedimiento :
7+2(3+2)³+3(4²−20)−8(3²+2³)+2
=7+2(5³)+3(42−20)−8(3²+2³)+2
=7+(2)(125)+3(4²−20)−8(3²+2³)+2
=7+250+3(4²−20)−8(3²+2³)+2
=257+3(4²−20)−8(3²+2³)+2
=257+3(16−20)−8(3²+2³)+2
=257+(3)(−4)−8(3²+2³)+2
=257+−12−8(3²+2³)+2
=245−8(3²+2³)+2
=245−8(9+2³)+2
=245−8(9+8)+2
=245−(8)(17)+2
=245−136+2
=109+2
solución:
=111
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Procedimiento :
7+2(3+2)³+3(4²−20)−8(3²+2³)+2
=7+2(5³)+3(42−20)−8(3²+2³)+2
=7+(2)(125)+3(4²−20)−8(3²+2³)+2
=7+250+3(4²−20)−8(3²+2³)+2
=257+3(4²−20)−8(3²+2³)+2
=257+3(16−20)−8(3²+2³)+2
=257+(3)(−4)−8(3²+2³)+2
=257+−12−8(3²+2³)+2
=245−8(3²+2³)+2
=245−8(9+2³)+2
=245−8(9+8)+2
=245−(8)(17)+2
=245−136+2
=109+2
solución:
=111