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[(1.3) la puterea 2011/(-13/10) la puterea 2010-0.3] la puterea 2011

Răspuns :

(1,3) la 2011/(-13/10 la 2010-0,3+=(13/10)la 2011 / -13/10 la 2010-3/10=
=13/10 la 2011-2010-3/10= -13/10-3/10=-16/10=-8/5