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Lautarumadalinac
a fost răspuns

(5^22 : 25^10 - 2^44 : 4^21)× 2
^ = putere​

Răspuns :

Needhelp112

(5^22 : 25^10 - 2^44 : 4^21) × 2 =

= [5^22 : (5^2)^10 - 2^44 : (2^2)^21] × 2 =

= (5^22 : 5^20 - 2^44 : 2^42) × 2=

= (5^2 - 2^2) × 2 =

= (25 - 4) × 2 =

= 21 × 2 =

= 42