👤

Urgeent!!!Va rogg repede!!)​

UrgeentVa Rogg Repede class=

Răspuns :

Răspuns:

CO=BA

OR=AS

RC=SB

CRO=ASB

COR=BAS

RCO=SBA

m(B)=m(C)
m(A)=m(O)
m(S)=m(R)
CO/BA=OR/AS=CR/BS