👤

U 9 la puterea 99x4 la puterea74

Răspuns :

U(9⁹⁹* 4⁷⁴)= U(3¹⁹⁸) *U(2¹⁴⁸)=U[(3⁴)⁶⁹ *3²]*U[(2⁴)³⁷)]= U(81*9)* U(16)=U(1*9*6)=
=U(54)= U(4)