Rapid va rog
Dau coroana
Puncte
Inimi
Follow unde vrei
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Răspuns:
c) =3²¹-3·3²ˣ⁴3³ˣ⁴+1=3²¹-3·3⁸·3¹²+1=3²¹-3¹⁺⁸⁺¹²+1=3²¹-3²¹+1=1
d) = [ 3⁴ˣ⁶-3²ˣ¹¹]³:(2⁴ˣ²·3³³ˣ²) =
(3²⁴-3²²)³:(2⁸·3⁶⁶) =
[3²²·(3²-1)]³:(2⁸·3⁶⁶) =
(3²²ˣ³·8³):(2⁸·3⁶⁶) =
[3⁶⁶·(2³)³]:(2⁸·3⁶⁶)=
(3⁶⁶·2⁹):(2⁸·3⁶⁶) =
3⁶⁶⁻⁶⁶·2⁹⁻⁸ =
3⁰·2¹=1·2 = 2