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henr...@gmail.com

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Aug 20, 2012, 10:50:31 AM8/20/12
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8,8 = k(-2,4) + 1,6
8,8 = -2,4k + 1,6
2,4k = 1,6 - 8,8
2,4k = -7,2
k = -7,2 / 2,4
k = -3
v.s.v

eller

k(-2,4) + 1,6 = (-3)(-2,4) + 1,6 = 7,2 + 1,6 = 8,8    v.s.v
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