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x favore chi mi puo' aiutare???[81^2:3^5-(3^4•81):3^6]:{[(9^17•9^2)•3^6]: (9^7)^3}=
Risposte
Ecco a te:
[81^2:3^5-(3^4•81):3^6]:{[(9^17•9^2)•3^6]: (9^7)^3}=
= [(3^4)^2:3^5-(3^4•3^4):3^6]:[(9^19•3^6): 9^21]=
= (3^8:3^5- 3^8:3^6):{[(3^2)^19•3^6]: 9^21}=
= (3^3- 3^2):[(3^38•3^6): (3^2)^21]=
= (27- 9): (3^44: 3^42) =
= 18: 3^2 =
= 18: 9 = 2
Ciao!!!
[81^2:3^5-(3^4•81):3^6]:{[(9^17•9^2)•3^6]: (9^7)^3}=
= [(3^4)^2:3^5-(3^4•3^4):3^6]:[(9^19•3^6): 9^21]=
= (3^8:3^5- 3^8:3^6):{[(3^2)^19•3^6]: 9^21}=
= (3^3- 3^2):[(3^38•3^6): (3^2)^21]=
= (27- 9): (3^44: 3^42) =
= 18: 3^2 =
= 18: 9 = 2
Ciao!!!
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