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Folosind proprietatile operatiilor invatate,calculati: (2^2007+2^2006):(2^2007-2^2006)=

Răspuns :

(2²⁰⁰⁷+2²⁰⁰⁶):(2²⁰⁰⁷-2²⁰⁰⁶) =

=2²⁰⁰⁶(2+2⁰):2²⁰⁰⁶(2-2⁰) =

=(2+1):(2-1)=3
(2²⁰⁰⁷+2²⁰⁰⁶):(2²⁰⁰⁷-2²⁰⁰⁶) =

=(2²⁰⁰⁶x2+2⁰):(2²⁰⁰⁶x2-2⁰) 

=(2+1):(2-1)

=3