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(7la puterea 4+2*7la puterea 5+3*7la puterea 6):162

Răspuns :

CarMina03
(7^4+2*7^5+3*7^6):162=7^4*(1+2*7+3*7^2):162=7^4*(1+14+147):162=7^4*162:162=7^4=2401
69696969
7^4+2*7^5+3*7^6=7^4(1+2*7+3*49)=7^4*162
7^4*162:162=7^4

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