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[tex] {8}^{21} \times {4}^{45} \div {16}^{ 21} \div {2}^{6} \\ [/tex]
Ajutor


Răspuns :

8²¹ x 4⁴⁵ : 16²¹:2⁶ = (2³)²¹ x (2²)⁴⁵ : (2⁴)²¹ : 2⁶ = 2⁶³ x 2⁹⁰ : 2⁸²:2⁶ =

= 2⁶³⁺⁹⁰⁻⁸²⁻⁶ = 2⁶⁵