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afla pe a,b,c stiind ca 80/a=b b/c=10 80/c=10




Răspuns :

80:c=10=>c=80:10=>c=8
b:8=10=>b=10 x 8=>b=80
80:a=b=>80:a=80=>a=80:80=>a=1

verificare 80/1=80: 80/8=10; 80/8=10