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Urgent!!!!!!!!
Merci anticipat


Urgent Merci Anticipat class=

Răspuns :

c3/100= md3/ms3, unde
md3= md1+md2
ms3= ms1+ms2
exprim md1 si md2  in functie de ms1 si ms2
md1= c1xms1/100    md2= c2xms2/100

42= (36ms1+ 48ms2)/(ms1+ms2)------> ms1/ms2= 1