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(1+2 x2laputerea2 x 2 la puterea4):(2 la puterea 7 +1)


Răspuns :

(1+2·[tex] 2^{2} [/tex]·[tex] 2^{4} [/tex]):([tex] 2^{7} [/tex]+1)=129:129=1
(1+2×2^2×2^4):(2^7+1)= (1+2^1+2+4):(1+2^7)= (1+2^7)÷(1+2^7)=1