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(7^0+1^1999+1^2000+1^2001)^x =

Răspuns :

(1+1+1+1)^x=4^x; Raspunsul corect:4^x
(7⁰+1¹⁹⁹⁹+1²⁰⁰⁰+1²⁰⁰¹)^x
=(1+1+1+1)^x
=4^x