Răspuns :
a) 4/100=2/50=1/25
b)51/4/100=51/4x1/100=51/400
c)2,1(3)=86/45=86/45/100=86/45x1/100=43/2250
b)51/4/100=51/4x1/100=51/400
c)2,1(3)=86/45=86/45/100=86/45x1/100=43/2250