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(7^4+2X7^5+3X7^6):162=? AJUTOR VA ROG

Răspuns :

dam factor comun [tex] 7^{4} [/tex]
[tex] [7^{4}(1+2*7+3* 7^{2} ]:162=[/tex]
[(1+14+147)*2401]:162=
(2401*162):162= 2401