Răspunsuri

2014-09-09T10:59:39+03:00
A+a/2+a/3+a/4+a/5=137(aducem la acelasi numitor:60)
60a/60+30a/60+20a/60+15a/60+12a/60=8220/60
137a=8220
a=60
b=30  c=20  d=15  e=12
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2014-09-09T10:59:45+03:00
X- numarul
x+x/2+x/3+x/4+x/5=137
numitorul comun este 60
60x+30x+20x+15x+12x=8220
137x=137.60
x=60
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