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Efectuati:
[(-2)^4]^40 - [(-2)^2]^20
P.S. ^ inseamna ''la puterea''


Răspuns :

[(-2)⁴]⁴⁰ - [(-2)²]²⁰=
=2¹⁶⁰-2⁴⁰=2⁴⁰(2¹²⁰-1)
[tex][(-2)^4]^4^0-[(-2)^2]^2^0=2^1^6^0-2^4^0=2^4^0(2^{160-40}-1)=2^4^0(2^1^2^0-1)[/tex]