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b) (7¹⁴×5)²:7²⁶

Urgeeeent! Dau coroana!​


Răspuns :

Răspuns:

7^28 * 5^2 : 7^26 = 7^2 * 5^2 = (7 * 5)^2 = 35^2 = 1225

(7¹⁴• 5)² : 7²⁶ =

(7¹⁴)²·5²:7²⁶ =

7²⁸:7²⁶·5² =

7²⁸⁻²⁶·5² =

7²·5² =

(7·5)² =

35² = 1225