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Moghioroseric
a fost răspuns

determinati x stiind ca
(xxx-1):8+4=10

Răspuns :

Deva
(xxx-1):8=10-4=6
(xxx-1)=6x8=48
xxx=48+1=49
xxx=49
100x+10x+x=49
x(100+10+1)=49
111x=49
x=49/111=0,44
 
Beatriceionela
(XXX-1):8=6
XXX-1=48
XXX=49

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