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2014-06-30T18:42:58+03:00
X meri, y peri
x+y=33
x/y=0.8(3)
x/y=75/90
x/y=5/6
x/x+y=5/5+6
x/33=5/11
x=5*33/11=15 meri
y=33-15=18 peri
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