Problemtaksimetre

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taner kalyoncu

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Jan 26, 2016, 7:14:24 PM1/26/16
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20160127_021311.jpg

uakin

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Jan 27, 2016, 1:53:55 AM1/27/16
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10 dk da "a" km, geri kalanda "b" km gitsin

a+b=18
2a+3b=43

b=7

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