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2014-05-17T10:26:17+03:00
2(a+b) = 1
(a-b)/2 = 0.8(3)
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2a + 2b = 1 => a = (1 -2b)/2
a - b = 1.6(6) => 1 - 2b - 2b = 3.3(3) => 1 - 3.3(3) = 4b => b = -0.583(3)
a = 0.083(3)
2 5 2