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Dau coroana. Help!!!!

Dau Coroana Help class=

Răspuns :

(1/2+1/3):0,(3)-2,5=

=(3/6+2/6):3/9-25/10=

=5/6:1/3-5/2=

=5/6×3-5/2=

=5/2-5/2=0