ajutor repede dau coroana plsss
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AB/MN=BC/NP=AC/MP
Deci:
AB/MN=BC/NP Deci NP=BC* (MN/AB)= 9*21/7=9*3=27
Apoi AB/MN=AC/MP, Deci MP = AC*(MN/AB) =11*21/7=11*3=33