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(7^4+2*7^5+3*7^6) :162=?
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Răspuns :

Didi12342
(7^4+2*7^5+3*7^6) :162=

= 7^4 × ( 1 + 2 × 7^1 + 3 × 7^2) : 162 =

= 7^4 × (1 + 14 + 3 × 49) : 162 =

= 2 401 × (15 + 147) : 162 =

= 2 401 × 162 : 162 =

= 2 401 × 1 =

= 2 401

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