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146 ............ ............

146 class=

Răspuns :

E(x)=(x-2008)²⁰⁰⁹+(2008-x)²⁰⁰⁹
E(2009)=
E(2009)=(2009-2008)²⁰⁰⁹+(2008-2009)²⁰⁰⁹
(1)²⁰⁰⁹+(-1)²⁰⁰⁹=1-1=0
succes