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Aflati cifrele a,b si c stiind ca 0,abc+0,abc=0,646

Răspuns :

0,abc+0,abc=0,646
2*0,abc=0,646  /*1/2
0,abc=0,323
a=3,b=2,c=3

0,abc+0,abc=0,646<=>2*0,abc=0,646/2
<=>0,abc=0,323