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(7 la puterea 14x5)la puterea 2:7 la puterea la puterea 26

Răspuns :

(7^14 × 5)^2 : 7^26 =

7^28 × 5^2 : 7^26 =

7^28 : 7^26 × 25 =

7^(28-26) × 25 =

7^2 × 25 =

49 × 25 =

= 1 225
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