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efectuați (3la puterea a 27 minus 2 × 3 la puterea 26 ) : la 3 la puterea 24

Răspuns :

(3^(27-2) × 3^26 ) : 3^24= (3^25×3^26):3^24=3^(25+26):3^24=3^51:3^24=3^(51-24)=3^27
(3²⁷-2*3²⁶):3²⁴=
=(3*3²⁶-2*3²⁶):3²⁴=
=(1*3²⁶):3²⁴=
=3²⁶:3²⁴=
=3²=9